Background
Methods
Statistical analysis
Goodness of fit analysis
Level re-classification based on risk scoring
Results
Hospital level by outcome | Mean | Standard Deviation | Range (min to max) |
---|---|---|---|
OBSI
| |||
1
| 13.7 | 12.6 | 0 to 61 |
2
| 2.6 | 2.7 | 0 to 18 |
3
| 0.7 | 1.1 | 0 to 6 |
STAPH
| |||
1
| 2.6 | 2.4 | 0 to 13 |
2
| 0.8 | 1.1 | 0 to 8 |
3
| 0.2 | 0.4 | 0 to 3 |
IVD-STAPH
| |||
1
| 0.9 | 1.2 | 0 to 8 |
2
| 0.2 | 0.5 | 0 to 3 |
3
| 0.1 | 0.2 | 0 to 1 |
MRSA
| |||
1
| 0.6 | 0.9 | 0 to 4 |
2
| 0.2 | 0.5 | 0 to 3 |
3
| 0.03 | 0.2 | 0 to 1 |
Patient days
| |||
1
| 13464.1 | 6325.8 | 4775 to 26225 |
2
| 6564.0 | 3232.6 | 2205 to 17929 |
3
| 2476.7 | 1026.6 | 915 to 9635 |
Regression models
Medical services | GEE Poisson with a log linka
| ||||
---|---|---|---|---|---|
IRR | SE†
| (95% CI)†
|
P-value | ||
AIDS
| 2.14 | 0.63 | (1.20 to 3.82) | .010 | |
Alcohol/Drugs
| 0.52 | 0.15 | (0.29 to 0.93) | .028 | |
Coronary care
| 0.74 | 0.05 | (0.66 to 0.84) | < .001 | |
Hospice care
| 0.84 | 0.07 | (0.71 to 0.99) | .041 | |
Infectious diseases
| 2.72 | 0.45 | (1.97 to 3.76) | < .001 | |
Plastic surgery
| 0.49 | 0.07 | (0.38 to 0.64) | < .001 | |
Oncology
| 1.60 | 0.17 | (1.29 to 1.98) | < .001 | |
Bone marrow transplants
| 1.52 | 0.22 | (1.14 to 2.03) | .004 | |
QIC
| 1844.93 |
Medical services | GEE Poisson with a log link | ||||
---|---|---|---|---|---|
IRR | SE†
| (95% CI)†
|
P-value | ||
Alcohol/Drugs
| 0.81 | 0.07 | (0.69 to 0.95) | .011 | |
Diabetes
| 0.53 | 0.11 | (0.36 to 0.80) | .002 | |
Infectious diseases
| 3.91 | 0.82 | (2.59 to 5.90) | < .001 | |
Plastic surgery
| 0.57 | 0.09 | (0.42 to 0.79) | .001 | |
Maintenance renal dialysis
| 1.82 | 0.20 | (1.47 to 2.26) | < .001 | |
Oncology
| 1.73 | 0.14 | (1.47 to 2.04) | < .001 | |
QIC
| 817.95 |
Medical services | GEE Poisson with a log linka
| ||||
---|---|---|---|---|---|
IRR | SE†
| (95% CI)†
|
P-value | ||
Infectious diseases
| 3.35 | 0.89 | (1.99 to 5.64) | < .001 | |
Plastic surgery
| 0.46 | 0.13 | (0.26 to 0.81) | .008 | |
Maintenance renal dialysis
| 1.50 | 0.25 | (1.08 to 2.08) | .016 | |
Oncology
| 1.89 | 0.26 | (1.44 to 2.48) | < .001 | |
QIC
| 507.79 |
Medical services | GLM binomial with a logit link | ||||
---|---|---|---|---|---|
OR | SE | (95% CI) |
P-value | ||
Acute renal dialysis
| 2.77 | 0.58 | (1.83 to 4.18) | < .001 | |
Cardiac surgery
| 1.59 | 0.31 | (1.08 to 2.32) | .017 | |
Infectious diseases
| 3.12 | 1.04 | (1.62 to 5.99) | .001 | |
Plastic surgery
| 0.48 | 0.16 | (0.25 to 0.93) | .029 | |
AIC
| 867.04 | ||||
QIC
| 258.56 |
Level re-classification based on risk scoring
Hospital ID | MRSA risk score | Reclassified level | Original level | Acute Renal Dialysis (Coeff 1.02) | Cardiac Surgery (Coeff .46) | Infectious Diseases (Coeff 1.14) | Plastic Surgery (Coeff -.73) |
---|---|---|---|---|---|---|---|
1
| 2.2 | 1 | 2 | Yes | No | Yes | No |
13
| 1.9 | 1 | 1 | Yes | Yes | Yes | Yes |
7
| 1.9 | 1 | 1 | Yes | Yes | Yes | Yes |
10
| 1.4 | 1 | 1 | Yes | No | Yes | Yes |
2
| 1.4 | 1 | 2 | Yes | No | Yes | Yes |
12
| 1.0 | 2 | 2 | Yes | No | No | No |
9
| 1.0 | 2 | 2 | Yes | No | No | No |
14
| 1.0 | 2 | 3 | Yes | No | No | No |
17
| 1.0 | 2 | 3 | Yes | No | No | No |
8
| 0.5 | 2 | 1 | No | Yes | No | No |
5
| 0.4 | 2 | 1 | No | No | Yes | Yes |
6
| 0.3 | 2 | 2 | Yes | No | No | Yes |
19
| 0 | 3 | 2 | No | No | No | No |
4
| 0 | 3 | 1 | No | No | No | No |
15
| 0 | 3 | 3 | No | No | No | No |
16
| 0 | 3 | 3 | No | No | No | No |
20
| 0 | 3 | 3 | No | No | No | No |
21
| 0 | 3 | 3 | No | No | No | No |
23
| 0 | 3 | 2 | No | No | No | No |
18
| 0 | 3 | 2 | No | No | No | No |
24
| 0 | 3 | 3 | No | No | No | No |