Background
Methods
Overview of the National Ambulatory Medical Care Survey design
Sampling frame and sample size
Patient visits and weights
Data collection and processing
Data management and statistical analyses
Results
National population estimates of patient visits for low back pain
Importance of Reason for Visit | Reason for Visit Classification Code† | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Primary | Secondary or Tertiary | 1905 | 1910 | |||||||||||||
Characteristic | n | NPE | SE | % | n | NPE | SE | % | n | NPE | SE | % | n | NPE | SE | % |
Patient age, y
| ||||||||||||||||
<25 | 73 | 2,828 | 420 | 7 | 42 | 1,595 | 316 | 8 | 81 | 3,257 | 430 | 8 | 34 | 1,167 | 274 | 5 |
25–44 | 340 | 14,052 | 1,194 | 33 | 133 | 5,308 | 553 | 28 | 289 | 11,598 | 1,091 | 30 | 184 | 7,763 | 666 | 34 |
45–64 | 392 | 16,122 | 1,796 | 38 | 206 | 7,476 | 934 | 39 | 364 | 14,192 | 1,279 | 36 | 234 | 9,406 | 1,432 | 41 |
≥ 65 | 237 | 9,424 | 1,118 | 22 | 126 | 4,910 | 620 | 25 | 249 | 9,918 | 1,209 | 25 | 114 | 4,417 | 655 | 19 |
Patient sex
| ||||||||||||||||
Female | 589 | 24,275 | 1,941 | 57 | 319 | 12,377 | 875 | 64 | 582 | 23,178 | 1,852 | 59 | 326 | 13,474 | 1,074 | 59 |
Male | 453 | 18,152 | 1,716 | 43 | 188 | 6,913 | 749 | 36 | 401 | 15,786 | 1,312 | 41 | 240 | 9,279 | 1,277 | 41 |
Patient race
| ||||||||||||||||
White | 936 | 37,791 | 2,951 | 89 | 439 | 16,567 | 1,140 | 86 | 870 | 33,905 | 2,480 | 87 | 505 | 20,453 | 1,815 | 90 |
Non-White | 106 | 4,635 | 637 | 11 | 68 | 2,724 | 604 | 14 | 113 | 5,059 | 924 | 13 | 61 | 2,300 | 366 | 10 |
Patient ethnicity
| ||||||||||||||||
Non-Hispanic | 943 | 38,746 | 3,055 | 91 | 458 | 17,455 | 1,155 | 90 | 903 | 36,011 | 2,604 | 92 | 498 | 20,189 | 1,821 | 89 |
Hispanic | 99 | 3,681 | 509 | 9 | 49 | 1,836 | 378 | 10 | 80 | 2,953 | 484 | 8 | 68 | 2,563 | 395 | 11 |
Geographic region
| ||||||||||||||||
Northeast | 292 | 13,189 | 2,211 | 31 | 149 | 5,376 | 760 | 28 | 253 | 10,157 | 1,582 | 26 | 188 | 8,408 | 1,689 | 37 |
Midwest | 222 | 8,102 | 1,146 | 19 | 107 | 3,602 | 400 | 19 | 216 | 7,966 | 1,170 | 20 | 113 | 3,739 | 447 | 16 |
South | 313 | 11,984 | 1,319 | 28 | 146 | 5,964 | 607 | 31 | 315 | 12,592 | 1,411 | 32 | 144 | 5,356 | 558 | 24 |
West | 215 | 9,152 | 1,313 | 22 | 105 | 4,348 | 580 | 23 | 199 | 8,249 | 1,090 | 21 | 121 | 5,250 | 683 | 23 |
MSA status
| ||||||||||||||||
MSA | 861 | 36,579 | 3,208 | 86 | 432 | 17,125 | 1,344 | 89 | 815 | 33,342 | 2,882 | 86 | 478 | 20,362 | 2,034 | 89 |
Non-MSA | 181 | 5,848 | 1,653 | 14 | 75 | 2,166 | 599 | 11 | 168 | 5,623 | 1,497 | 14 | 88 | 2,391 | 652 | 11 |
Episode of care
| ||||||||||||||||
Initial | 351 | 14,286 | 1,126 | 34 | 158 | 6,210 | 614 | 32 | 322 | 13,279 | 1,093 | 34 | 187 | 7,217 | 743 | 32 |
Follow-up | 617 | 24,754 | 2,483 | 58 | 304 | 10,893 | 1,011 | 56 | 586 | 22,309 | 1,962 | 57 | 335 | 13,338 | 1,699 | 59 |
Other or missing | 74 | 3,387 | 545 | 8 | 45 | 2,188 | 373 | 11 | 75 | 3,376 | 543 | 9 | 44 | 2,198 | 371 | 10 |
Chronicity of symptoms
| ||||||||||||||||
Acute | 402 | 16,819 | 1,260 | 40 | 169 | 6,632 | 685 | 34 | 360 | 14,820 | 1,292 | 38 | 211 | 8,631 | 712 | 38 |
Chronic, routine | 398 | 16,797 | 2,342 | 40 | 211 | 7,096 | 845 | 37 | 380 | 14,874 | 1,685 | 38 | 229 | 9,019 | 1,603 | 40 |
Chronic, flare-up | 176 | 6,494 | 779 | 15 | 79 | 2,990 | 404 | 15 | 171 | 6,280 | 724 | 16 | 84 | 3,203 | 513 | 14 |
Other or missing‡ | 66 | 2,317 | 402 | 5 | 48 | 2,573 | 471 | 13 | 72 | 2,990 | 388 | 8 | 42 | 1,900 | 340 | 8 |
IPA etiology
| ||||||||||||||||
No | 722 | 28,796 | 2,161 | 68 | 341 | 13,215 | 1,006 | 69 | 698 | 27,443 | 2,195 | 70 | 365 | 14,568 | 1,201 | 64 |
Yes | 320 | 13,631 | 1,449 | 32 | 166 | 6,075 | 716 | 31 | 285 | 11,522 | 1,040 | 30 | 201 | 8,185 | 1,100 | 36 |
PCP status
| ||||||||||||||||
Non-PCP or unknown | 589 | 18,744 | 2,306 | 44 | 314 | 9,241 | 918 | 48 | 532 | 16,465 | 1,940 | 42 | 371 | 11,519 | 1,564 | 51 |
PCP | 453 | 23,683 | 1,845 | 56 | 193 | 10,049 | 958 | 52 | 451 | 22,499 | 1,823 | 58 | 195 | 11,233 | 934 | 49 |
Type of physician
| ||||||||||||||||
Doctor of Medicine | 782 | 31,845 | 2,192 | 75 | 407 | 15,399 | 1,080 | 80 | 762 | 30,832 | 2,257 | 79 | 427 | 16,412 | 1,132 | 72 |
Doctor of Osteopathy | 260 | 10,582 | 2,130 | 25 | 100 | 3,892 | 600 | 20 | 221 | 8,132 | 1,434 | 21 | 139 | 6,341 | 1,631 | 28 |
Physician specialty
| ||||||||||||||||
Family (general) medicine | 404 | 18,523 | 1,737 | 44 | 145 | 6,687 | 692 | 35 | 382 | 17,484 | 1,879 | 45 | 167 | 7,725 | 1,011 | 34 |
Internal medicine | 107 | 9,702 | 2,264 | 23 | 54 | 4,703 | 1,008 | 24 | 96 | 8,199 | 1,257 | 21 | 65 | 6,206§ | 2,234 | 27 |
Neurology | 141 | 1,244 | 218 | 3 | 96 | 1,011 | 213 | 5 | 132 | 1,138 | 181 | 3 | 105 | 1,116 | 322 | 5 |
Orthopedics | 151 | 3,618 | 546 | 9 | 66 | 2,020 | 489 | 10 | 121 | 3,025 | 478 | 8 | 96 | 2,613 | 505 | 11 |
All other specialties | 239 | 9,340 | 1,278 | 22 | 146 | 4,869 | 586 | 25 | 252 | 9,118 | 1,160 | 23 | 133 | 5,092 | 697 | 22 |
Shared physician care
| ||||||||||||||||
No or unknown | 715 | 31,694 | 2,633 | 75 | 336 | 13,417 | 1,007 | 70 | 690 | 28,951 | 2,184 | 74 | 361 | 16,160 | 1,692 | 71 |
Yes | 327 | 10,733 | 1,017 | 25 | 171 | 5,873 | 672 | 30 | 293 | 10,013 | 963 | 26 | 205 | 6,593 | 703 | 29 |
Total
|
1,042
|
42,427
|
3,108
|
100
|
507
|
19,290
|
1,201
|
100
|
983
|
38,964
|
2,655
|
100
|
566
|
22,753
|
1,957
|
100
|
The epidemiology of ambulatory medical care visits for low back pain
LBP Status | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
LBP Present | LBP Absent | LBP Visits | Primary LBP Visits† | |||||||||
Characteristic | n | NPE | SE | % | n | NPE | SE | % | OR‡ | 95% CI | OR‡ | 95% CI |
Patient age, y
| ||||||||||||
<25 | 115 | 4,423 | 572 | 7 | 10,764 | 431,753 | 24,165 | 25 | 0.30 | 0.22 0.41 | 0.26 | 0.18 – 0.38 |
25–44 | 473 | 19,360 | 1,410 | 31 | 10,212 | 378,110 | 19,956 | 22 | 1.00 | ... | 1.00 | ... |
45–64 | 598 | 23,599 | 2,409 | 38 | 14,426 | 497,737 | 25,996 | 28 | 0.84 | 0.71 – 1.00 | 0.78 | 0.65 – 0.95 |
≥ 65 | 363 | 14,335 | 1,443 | 23 | 13,607 | 447,079 | 23,110 | 25 | 0.60 | 0.47 – 0.75 | 0.54 | 0.41 – 0.70 |
Patient sex
| ||||||||||||
Female | 908 | 36,652 | 2,539 | 59 | 27,581 | 1,035,915 | 46,027 | 59 | 1.00 | ... | 1.00 | ... |
Male | 641 | 25,065 | 2,042 | 41 | 21,428 | 718,765 | 32,578 | 41 | 0.93 | 0.81 – 1.06 | 1.01 | 0.85 – 1.20 |
Patient race
| ||||||||||||
White | 1,375 | 54,358 | 3,825 | 88 | 42,716 | 1,497,330 | 71,034 | 85 | 1.00 | ... | 1.00 | ... |
Non-White | 174 | 7,359 | 1,015 | 12 | 6,293 | 257,349 | 16,925 | 15 | 0.88 | 0.68 – 1.14 | 0.80 | 0.61 – 1.06 |
Patient ethnicity
| ||||||||||||
Non-Hispanic | 1,401 | 56,201 | 3,846 | 91 | 44,432 | 1,565,163 | 68,318 | 89 | 1.00 | ... | 1.00 | ... |
Hispanic | 148 | 5,516 | 676 | 9 | 4,577 | 189,516 | 22,488 | 11 | 1.02 | 0.81 – 1.29 | 1.01 | 0.76 – 1.34 |
Geographic region
| ||||||||||||
Northeast | 441 | 18,566 | 2,856 | 30 | 10,111 | 340,535 | 31,296 | 19 | 1.00 | ... | 1.00 | ... |
Midwest | 329 | 11,704 | 1,608 | 19 | 11,056 | 367,864 | 38,458 | 21 | 0.56 | 0.40 – 0.77 | 0.53 | 0.37 – 0.75 |
South | 459 | 17,948 | 1,584 | 29 | 17,262 | 674,752 | 49,514 | 38 | 0.56 | 0.40 – 0.77 | 0.52 | 0.36 – 0.75 |
West | 320 | 13,499 | 1,630 | 22 | 10,580 | 371,528 | 29,742 | 21 | 0.75 | 0.52 – 1.07 | 0.71 | 0.48 – 1.06 |
MSA status
| ||||||||||||
MSA | 1,293 | 53,704 | 4,318 | 87 | 42,768 | 1,534,434 | 99,888 | 87 | 1.00 | ... | 1.00 | ... |
Non-MSA | 256 | 8,013 | 2,093 | 13 | 6,241 | 220,245 | 51,084 | 13 | 1.00 | 0.78 – 1.28 | 1.06 | 0.79 – 1.43 |
Episode of care
| ||||||||||||
Initial | 509 | 20,495 | 1,431 | 33 | 14,004 | 526,779 | 23,102 | 30 | 1.00 | ... | 1.00 | ... |
Follow-up | 921 | 35,647 | 3,256 | 58 | 26,324 | 829,669 | 41,893 | 47 | 0.98 | 0.83 – 1.16 | 1.02 | 0.83 – 1.26 |
Other or missing | 119 | 5,575 | 706 | 9 | 8,681 | 398,231 | 23,040 | 23 | 0.80 | 0.56 – 1.14 | 0.88 | 0.57 – 1.36 |
Chronicity of symptoms
| ||||||||||||
Acute | 571 | 23,451 | 1,602 | 38 | 15,741 | 615,627 | 25,898 | 35 | 1.00 | ... | 1.00 | ... |
Chronic, routine | 609 | 23,893 | 2,932 | 39 | 17,885 | 561,484 | 30,854 | 32 | 1.37 | 1.08 – 1.74 | 1.36 | 1.03 – 1.79 |
Chronic, flare-up | 255 | 9,483 | 985 | 15 | 4,493 | 139,324 | 9,200 | 8 | 2.09 | 1.65 – 2.65 | 2.03 | 1.58 – 2.63 |
Other or missing§ | 114 | 4,890 | 618 | 8 | 10,890 | 438,244 | 24,905 | 25 | 0.52 | 0.35 – 0.77 | 0.33 | 0.20 – 0.56 |
IPA etiology
| ||||||||||||
No | 1,063 | 42,011 | 2,824 | 68 | 43,823 | 1,569,266 | 68,357 | 89 | 1.00 | ... | 1.00 | ... |
Yes | 486 | 19,707 | 1,785 | 32 | 5,186 | 185,413 | 10,269 | 11 | 3.38 | 2.75 – 4.14 | 3.33 | 2.64 – 4.21 |
PCP status
| ||||||||||||
Non-PCP or unknown | 903 | 27,985 | 2,959 | 45 | 33,809 | 925,652 | 54,734 | 53 | 1.00 | ... | 1.00 | ... |
PCP | 646 | 33,732 | 2,345 | 55 | 15,200 | 829,027 | 38,795 | 47 | 0.84 | 0.61 – 1.16 | 0.82 | 0.55 – 1.21 |
Type of physician
| ||||||||||||
Doctor of Medicine | 1,189 | 47,244 | 2,859 | 77 | 45,316 | 1,636,480 | 72,120 | 93 | 1.00 | ... | 1.00 | ... |
Doctor of Osteopathy | 360 | 14,474 | 2,718 | 23 | 3,693 | 118,199 | 12,647 | 7 | 2.61 | 1.75 – 3.92 | 2.68 | 1.77 – 4.06 |
Physician specialty
| ||||||||||||
Family (general) medicine | 549 | 25,210 | 2,259 | 41 | 8,240 | 405,563 | 26,625 | 23 | 3.28 | 2.26 – 4.77 | 3.59 | 2.26 – 5.72 |
Internal medicine | 161 | 14,405 | 3,074 | 23 | 3,044 | 273,218 | 23,834 | 16 | 3.34 | 2.11 – 5.27 | 3.38 | 1.95 – 5.85 |
Neurology | 237 | 2,255 | 405 | 4 | 3,202 | 25,403 | 2,685 | 1 | 3.97 | 2.69 – 5.85 | 3.25 | 2.07 – 5.08 |
Orthopedics | 217 | 5,638 | 896 | 9 | 2,521 | 82,010 | 9,469 | 5 | 2.27 | 1.48 – 3.49 | 2.19 | 1.35 – 3.53 |
All other specialties | 385 | 14,209 | 1,688 | 23 | 32,002 | 968,485 | 49,844 | 55 | 1.00 | ... | 1.00 | ... |
Shared physician care
| ||||||||||||
No or unknown | 1,051 | 45,111 | 3,282 | 73 | 35,679 | 1,339,868 | 60,278 | 76 | 1.00 | ... | 1.00 | ... |
Yes | 498 | 16,606 | 1,413 | 27 | 13,330 | 414,812 | 22,483 | 24 | 1.17 | 0.99 – 1.39 | 1.09 | 0.88 – 1.35 |
Total
|
1,549
|
61,717
|
3,988
|
100
|
49,009
|
1,754,679
|
76,123
|
100
| ... | ... |
Chronicity | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Acute Problem (Initial Visit) | Chronic Problem (Follow-Up Visit) | Chronic Problem Visits | Primary Chronic Problem Visits† | |||||||||
Characteristic | n | NPE | SE | % | n | NPE | SE | % | OR‡ | 95% CI | OR‡ | 95% CI |
Patient age, y
| ||||||||||||
<25 | 49 | 2,012 | 287 | 13 | 26 | 836§ | 197 | 3 | 0.27 | 0.13-0.55 | 0.20 | 0.09-0.45 |
25–44 | 112 | 5,351 | 565 | 34 | 195 | 7,920 | 907 | 29 | 1.00 | ... | 1.00 | ... |
45–64 | 123 | 5,157 | 597 | 33 | 287 | 11,025 | 1,867 | 40 | 1.27 | 0.84-1.93 | 1.24 | 0.81-1.91 |
≥ 65 | 80 | 3,237 | 542 | 21 | 190 | 7,585 | 1,110 | 28 | 1.42 | 0.84-2.40 | 1.29 | 0.66-2.50 |
Patient sex
| ||||||||||||
Female | 218 | 9,242 | 757 | 59 | 400 | 15,815 | 1,684 | 58 | 1.00 | ... | 1.00 | ... |
Male | 146 | 6,515 | 775 | 41 | 298 | 11,551 | 1,463 | 42 | 1.17 | 0.79-1.73 | 1.22 | 0.81-1.85 |
Patient race
| ||||||||||||
White | 329 | 13,955 | 966 | 89 | 619 | 24,498 | 2,821 | 90 | 1.00 | ... | 1.00 | ... |
Non-White | 35 | 1,802 | 404 | 11 | 79 | 2,867 | 554 | 10 | 1.03 | 0.60-1.76 | 0.85 | 0.45-1.60 |
Patient ethnicity
| ||||||||||||
Non-Hispanic | 326 | 14,164 | 984 | 90 | 642 | 25,299 | 2,718 | 92 | 1.00 | ... | 1.00 | ... |
Hispanic | 38 | 1,593 | 334 | 10 | 56 | 2,066 | 386 | 8 | 0.74 | 0.42-1.32 | 0.86 | 0.41-1.77 |
Geographic region
| ||||||||||||
Northeast | 91 | 3,494 | 363 | 22 | 211 | 9,671 | 2,386 | 35 | 1.00 | ... | 1.00 | ... |
Midwest | 76 | 3,189 | 495 | 20 | 133 | 3,918 | 452 | 14 | 0.65 | 0.40-1.08 | 0.66 | 0.33-1.32 |
South | 131 | 5,775 | 670 | 37 | 201 | 7,569 | 848 | 28 | 0.86 | 0.52-1.40 | 0.90 | 0.51-1.61 |
West | 66 | 3,299 | 460 | 21 | 153 | 6,207 | 1,214 | 23 | 1.23 | 0.62-2.46 | 1.03 | 0.45-2.38 |
MSA status
| ||||||||||||
MSA | 307 | 13,706 | 1,113 | 87 | 588 | 24,113 | 2,917 | 88 | 1.00 | ... | 1.00 | ... |
Non-MSA | 57 | 2,050 | 572 | 13 | 110 | 3,252 | 973 | 12 | 1.16 | 0.67-1.99 | 1.05 | 0.58-1.92 |
IPA etiology
| ||||||||||||
No | 224 | 9,611 | 860 | 61 | 518 | 20,345 | 1,874 | 74 | 1.00 | ... | 1.00 | ... |
Yes | 140 | 6,146 | 586 | 39 | 180 | 7,020 | 1,350 | 26 | 0.46 | 0.31-0.67 | 0.49 | 0.32-0.75 |
PCP status
| ||||||||||||
Non-PCP or unknown | 170 | 4,733 | 518 | 30 | 437 | 13,841 | 2,151 | 51 | 1.00 | ... | 1.00 | ... |
PCP | 194 | 11,024 | 963 | 70 | 261 | 13,524 | 1,366 | 49 | 0.45 | 0.26-0.79 | 0.48 | 0.25-0.90 |
Type of physician
| ||||||||||||
Doctor of Medicine | 299 | 13,656 | 932 | 87 | 497 | 18,256 | 1,623 | 67 | 1.00 | ... | 1.00 | |
Doctor of Osteopathy | 65 | 2,101 | 285 | 13 | 201 | 9,109 | 2,402 | 33 | 4.39 | 2.47-7.80 | 4.08 | 2.26-7.36 |
Physician specialty
| ||||||||||||
Family (general) medicine | 163 | 7,990 | 768 | 51 | 227 | 10,248 | 1,341 | 37 | 0.58 | 0.31-1.07 | 0.64 | 0.31-1.32 |
Internal medicine | 42 | 3,611 | 560 | 23 | 80 | 7162§ | 2,603 | 26 | 0.97 | 0.48-1.95 | 0.98 | 0.40-2.39 |
Neurology | 36 | 287 | 63 | 2 | 129 | 1,283 | 262 | 5 | 1.41 | 0.67-2.94 | 0.91 | 0.34-2.45 |
Orthopedics | 44 | 1,064 | 166 | 7 | 81 | 2,279 | 407 | 8 | 0.89 | 0.48-1.65 | 1.17 | 0.50-2.73 |
All other specialties | 79 | 2,804 | 372 | 18 | 181 | 6,394 | 1,096 | 23 | 1.00 | ... | 1.00 | ... |
Shared physician care
| ||||||||||||
No or unknown | 283 | 13,096 | 1,008 | 83 | 448 | 19,240 | 2,565 | 70 | 1.00 | ... | 1.00 | ... |
Yes | 81 | 2,661 | 401 | 17 | 250 | 8,125 | 960 | 30 | 2.11 | 1.30-3.44 | 2.15 | 1.18-3.93 |
Total
|
364
|
15,757
|
1,018
|
100
|
698
|
27,365
|
2,844
|
100
| ... | ... |
The medical management of primary low back pain during ambulatory medical care visits
Chronicity | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LBP Visits | Acute Problem (Initial Visit) | Chronic Problem (Follow-Up Visit) | Chronic Problem Visits | |||||||||||
Medical Management | n | NPE | SE | % | n | NPE | SE | % | n | NPE | SE | % | OR | 95% CI |
Diagnostic tests
| ||||||||||||||
Complete blood count | 52 | 2,663 | 416 | 6 | 12 | 525 | 197 | 5 | 19 | 1,165 | 265 | 6 | 1.32 | 0.52-3.37 |
Urinalysis | 69 | 3,243 | 456 | 8 | 39 | 1,754 | 359 | 16 | 10 | 613 | 161 | 3 | 0.18 | 0.09-0.37 |
Radiograph | 142 | 5,602 | 634 | 13 | 57 | 2,385 | 406 | 21 | 24 | 830 | 195 | 4 | 0.17 | 0.09-0.32 |
Other imaging test† | 83 | 2,434 | 345 | 6 | 24 | 632 | 146 | 6 | 29 | 904 | 191 | 5 | 0.83 | 0.44-1.58 |
Any diagnostic test | 926 | 37,683 | 2,608 | 89 | 244 | 10,807 | 809 | 97 | 396 | 15,734 | 1,419 | 83 | 0.14 | 0.04-0.49 |
Patient counseling
| ||||||||||||||
Diet or nutrition | 75 | 3,335 | 602 | 8 | 15 | 734 | 196 | 7 | 40 | 1,688 | 488 | 9 | 1.38 | 0.58-3.32 |
Weight reduction | 49 | 2,232 | 529 | 5 | 10 | 504 | 183 | 5 | 25 | 1,143 | 384 | 6 | 1.35 | 0.52-3.49 |
Exercise | 204 | 8,320 | 1,070 | 20 | 49 | 2,196 | 391 | 20 | 95 | 3,979 | 771 | 21 | 1.08 | 0.63-1.85 |
Mental health counseling‡ | 45 | 1,859 | 639 | 4 | 5 | 240 | 124 | 2 | 31 | 1,176 | 525 | 6 | 3.00 | 0.94-9.61 |
Any patient counseling | 513 | 22,397 | 2,510 | 53 | 119 | 5,408 | 563 | 49 | 224 | 10,138 | 1,956 | 54 | 1.21 | 0.70-2.11 |
Drugs
| ||||||||||||||
Non-narcotic analgesics | 58 | 2,492 | 431 | 6 | 13 | 669 | 201 | 6 | 29 | 1,351 | 301 | 7 | 1.20 | 0.51-2.82 |
Narcotic analgesics | 261 | 10,503 | 1,128 | 25 | 56 | 2,385 | 444 | 21 | 141 | 5,355 | 758 | 28 | 1.44 | 0.76-2.72 |
NSAIDs (including antiarthritics) | 333 | 14,237 | 1,180 | 34 | 113 | 5,497 | 596 | 49 | 128 | 5,288 | 667 | 28 | 0.40 | 0.25-0.64 |
Any drug | 729 | 30,523 | 2,012 | 72 | 204 | 9,746 | 798 | 88 | 316 | 12,703 | 1,233 | 67 | 0.29 | 0.13-0.62 |
Physiotherapy§
| 179 | 8,596 | 2,135 | 20 | 32 | 1,408 | 325 | 13 | 88 | 4,866 | 1,887 | 26 | 2.38 | 0.93-6.07 |
Surgical procedure
| 59 | 1,932 | 407 | 5 | 2 | 51 | 35 | 0 | 27 | 1,042 | 304 | 6 | 12.62 | 3.18-50.07 |
Total
|
1,042
|
42,427
|
3,108
|
100
|
253
|
11,111
|
798
|
100
|
457
|
18,948
|
2,154
|
100
| ... |
Medical Management | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Exercise Counseling | Any Patient Counseling | Narcotic Analgesic | NSAID | Any Drug | ||||||
Characteristic | OR† | 95% CI | OR† | 95% CI | OR† | 95% CI | OR† | 95% CI | OR† | 95% CI |
Patient age, y
| ||||||||||
<25 | 0.53 | 0.15 – 1.90 | 0.64 | 0.27 – 1.53 | 0.35 | 0.11 – 1.11 | 0.93 | 0.44·1.94 | 0.19 | 0.08 – 0.50 |
25–44 | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
45–64 | 1.20 | 0.66 – 2.19 | 1.08 | 0.66 – 1.75 | 0.80 | 0.47 – 1.36 | 0.64 | 0.39·1.06 | 0.63 | 0.36 – 1.09 |
≥65 | 0.93 | 0.47 – 1.83 | 0.67 | 0.38 – 1.19 | 0.42 | 0.21 – 0.84 | 0.73 | 0.44·1.20 | 0.77 | 0.38 – 1.56 |
Patient sex
| ||||||||||
Female | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Male | 0.85 | 0.52 – 1.38 | 0.91 | 0.62 – 1.36 | 0.90 | 0.59 – 1.39 | 0.99 | 0.68·1.45 | 0.76 | 0.50 – 1.14 |
Patient race
| ||||||||||
White | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Non-White | 0.66 | 0.23 – 1.89 | 0.49 | 0.25 – 0.96 | 0.91 | 0.42 – 2.01 | 1.30 | 0.60·2.84 | 3.54 | 1.40 – 8.97 |
Patient ethnicity
| ||||||||||
Non-Hispanic | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Hispanic | 1.45 | 0.77 – 2.77 | 1.45 | 0.77 – 2.77 | 0.30 | 0.11 – 0.76 | 1.12 | 0.53·2.36 | 1.78 | 0.73 – 4.36 |
Geographic region
| ||||||||||
Northeast | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Midwest | 0.33 | 0.14 – 0.78 | 0.29 | 0.14 – 0.60 | 1.18 | 0.43 – 3.24 | 2.05 | 0.93 – 4.49 | 2.00 | 0.67 – 5.97 |
South | 0.27 | 0.13 – 0.56 | 0.36 | 0.17 – 0.74 | 1.16 | 0.50 – 2.72 | 1.81 | 0.84 – 3.90 | 2.23 | 0.98 – 5.08 |
West | 0.59 | 0.26 – 1.34 | 0.45 | 0.22 – 0.93 | 1.56 | 0.63 – 3.84 | 1.45 | 0.67 – 3.14 | 1.85 | 0.75 – 4.56 |
MSA status
| ||||||||||
MSA | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Non-MSA | 0.45 | 0.21 – 0.96 | 0.77 | 0.38 – 1.53 | 1.96 | 1.06 – 3.63 | 0.90 | 0.40 – 2.07 | 2.90 | 0.64 – 13.08 |
Chronicity
| ||||||||||
Acute (initial visit) | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Chronic (follow-up visit) | 0.87 | 0.48 – 1.59 | 1.16 | 0.72 – 1.87 | 1.54 | 0.87 – 2.75 | 0.56 | 0.37 – 0.86 | 0.35 | 0.19 – 0.64 |
IPA etiology
| ||||||||||
No | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Yes | 2.34 | 1.49 – 3.68 | 2.38 | 1.50 – 3.77 | 0.74 | 0.44 – 1.27 | 1.19 | 0.83 – 1.73 | 0.62 | 0.36 – 1.08 |
PCP status
| ||||||||||
Non-PCP or unknown | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
PCP | 1.59 | 0.67 – 3.76 | 1.10 | 0.56 – 2.17 | 1.38 | 0.72 – 2.67 | 1.62 | 1.05 – 2.49 | 1.98 | 1.19 – 3.28 |
Type of physician
| ||||||||||
Doctor of Medicine | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Doctor of Osteopathy | 1.53 | 0.80 – 2.92 | 1.02 | 0.46 – 2.26 | 0.70 | 0.31 – 1.58 | 0.43 | 0.24 – 0.76 | 0.44 | 0.18 – 1.11 |
Physician specialty
| ||||||||||
Family (general) medicine | 0.30 | 0.12 – 0.74 | 0.71 | 0.32 – 1.59 | 0.99 | 0.46 – 2.12 | 1.52 | 0.79 – 2.92 | 2.38 | 1.06 – 5.35 |
Internal medicine | 0.15 | 0.05 – 0.40 | 0.42 | 0.13 – 1.32 | 0.63 | 0.25 – 1.62 | 0.68 | 0.28 – 1.69 | 0.73 | 0.28 – 1.87 |
Neurology | 0.24 | 0.06 – 0.94 | 0.50 | 0.18 – 1.39 | 0.88 | 0.38 – 2.05 | 0.94 | 0.43 – 2.04 | 0.86 | 0.38 – 1.98 |
Orthopedics | 1.55 | 0.59 – 4.05 | 1.01 | 0.40 – 2.55 | 0.81 | 0.33 – 2.00 | 0.97 | 0.39 – 2.40 | 0.45 | 0.16 – 1.31 |
All other specialties | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Shared physician care
| ||||||||||
No or unknown | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... | 1.00 | ... |
Yes | 1.13 | 0.62 – 2.08 | 1.08 | 0.62 – 1.87 | 1.61 | 0.95 – 2.76 | 1.28 | 0.70 – 2.36 | 1.02 | 0.60 – 1.75 |