Background
Methods
Patients and methods
Statistical methods
Results
Alive | Dead | Total | P-value | |
---|---|---|---|---|
Sample Size | 22,575 | 21,316 | 43,891 | |
Sex: Female (%) | 16,857 (74.7) | 13,988 (65.6) | 30,845 | < 0.001 |
Age (mean & sd) | 79.33 (9.17) | 83.85 (7.77) | < 0.001 | |
Hospital type (%) | < 0.001 | |||
University | 5677 (25.1) | 5916 (27.8) | 11,593 | |
County | 12,089 (53.6) | 11,299 (53.0) | 23,388 | |
Rural | 3905 (17.3) | 3351 (15.7) | 7256 | |
Private | 904 (4.0) | 750 (3.5) | 1654 | |
Prosthesis: Total hip arthoplasty (%) | 7887 (34.9) | 2690 (12.6) | 10,577 | < 0.001 |
Education (%) | < 0.001 | |||
Low | 12,309 (54.5) | 12,695 (59.6) | 25,004 | |
Middle | 6968 (30.9) | 5740 (26.9) | 12,708 | |
High | 2793 (12.4) | 1914 (9.0) | 4707 | |
Missing | 505 (2.2) | 967 (4.5) | 1472 | |
Civil status (%) | < 0.001 | |||
Couple | 7971 (35.3) | 6269 (29.4) | 14,240 | |
Single | 5489 (24.3) | 4417 (20.7) | 9906 | |
Widow | 9071 (40.2) | 10,620 (49.8) | 19,691 | |
Missing | 44 (0.2) | 10 (0.0) | 54 | |
Elixhauser index (mean & sd) | 1.13 (1.35) | 1.27 (1.53) | < 0.001 | |
Elixhauser stratified (%) | < 0.001 | |||
0 | 9930 (44.0) | 9534 (44.7) | 19,464 | |
1 | 5448 (24.1) | 4087 (19.2) | 9535 | |
2 | 3754 (16.6) | 3467 (16.3) | 7221 | |
3+ | 3443 (15.3) | 4228 (19.8) | 7671 |
Age and sex
Elixhauser comorbidity index
Implant and hospital type
Socioeconomics
HR | 95% CI | |
---|---|---|
Sex | ||
Female |
Ref
| |
Male 0–420 days | 2.48 | 2.37; 2.59 |
Male > 420 days | 2.32 | 2.11; 2.55 |
Age | ||
0–420 days | 0.94 | 0.94; 0.94 |
> 420 days | 0.91 | 0.90; 0.92 |
Elixhauser 0–420 days | ||
0 |
Ref
| |
1 | 0.92 | 0.86; 0.97 |
2 | 1.23 | 1.16; 1.30 |
+ 3 | 1.47 | 1.39; 1.55 |
Elixhauser > 420 days | ||
0 |
Ref
| |
1 | 1.09 | 0.96; 1.24 |
2 | 1.30 | 1.15; 1.49 |
+ 3 | 1.75 | 1.55; 1.97 |
Year of operation | ||
0–420 days | 1.00 | 0.99; 1.01 |
> 420 days | 0.99 | 0.99; 1.01 |
Prosthesis | ||
Hemi |
Ref
| |
Total 0–420 days | 0.38 | 0.35; 0.41 |
Total > 420 days | 0.54 | 0.46; 0.64 |
Hospital | ||
University |
Ref
| |
County | 0.95 | 0.92; 0.98 |
Rural | 0.93 | 0.89; 0.97 |
Private | 0.89 | 0.82; 0.95 |
Education | ||
Low |
Ref
| |
Middle | 0.99 | 0.96; 1.02 |
High | 0.91 | 0.87; 0.95 |
Civil status | ||
Couple |
Ref
| |
Single | 1.08 | 1.03; 1.12 |
Widow | 1.03 | 0.99; 1.06 |