Table 2.
Median Reliability of Condition‐Specific 30‐Day Readmission Measures Cumulatively Adjusted for Comorbidities, Socioeconomic (SES) Factors, and Hospital Factors
| Condition | Risk‐Adjustment Model | Reliability (R), Median (IQR) | Volume Threshold for R = 0.70, Median (IQR) | Hospitals with R ≥ 0.70, N (%) |
|---|---|---|---|---|
| AMI (N = 424) | Comorbiditiesa | 0.58 (0.45–0.68) | 605 (527–685) | 79 (18.6) |
| + SES Factorsb | 0.55 (0.42–0.65) | 785 (683–888) | 50 (11.8) | |
| + Hospital Factorsc | 0.51 (0.38–0.61) | 1,103 (960–1,248) | 20 (4.7) | |
| CHF (N = 501) | Comorbiditiesa | 0.61 (0.53–0.68) | 1,019 (938–1,098) | 83 (16.6) |
| + SES Factorsb | 0.58 (0.50–0.65) | 1,318 (1,215–1,421) | 46 (9.2) | |
| + Hospital Factorsc | 0.56 (0.47–0.62) | 1,616 (1,489–1,742) | 26 (5.2) | |
| PN (N = 502) | Comorbiditiesa | 0.68 (0.62–0.73) | 442 (402–488) | 202 (40.2) |
| + SES Factorsb | 0.66 (0.60–0.71) | 532 (484–587) | 148 (29.5) | |
| + Hospital Factorsc | 0.62 (0.57–0.68) | 710 (645–783) | 91 (18.1) | |
| COPD (N = 501) | Comorbiditiesa | 0.65 (0.58–0.70) | 559 (504–613) | 141 (28.1) |
| + SES Factorsb | 0.64 (0.57–0.70) | 587 (529–644) | 122 (24.4) | |
| + Hospital Factorsc | 0.63 (0.56–0.69) | 638 (575–699) | 106 (21.2) | |
| THKA (N = 431) | Comorbiditiesa | 0.94 (0.91–0.96) | 9 (7–11) | 431 (100) |
| + SES Factorsb | 0.94 (0.91–0.96) | 9 (7–11) | 431 (100) | |
| + Hospital Factorsc | 0.94 (0.91–0.96) | 9 (7–12) | 431 (100) | |
| CABG (N = 171) | Comorbiditiesa | 0.78 (0.74–0.82) | 107 (93–123) | 148 (86.6) |
| + SES Factorsb | 0.78 (0.73–0.82) | 112 (97–129) | 148 (86.6) | |
| + Hospital Factorsc | 0.75 (0.71–0.80) | 144 (125–165) | 134 (78.4) |
a
Adjusted for comorbidities outlined by CMS condition‐specific measures.
b
Adjusted for race (white, black, Hispanic, or other), median income quartile, and dual eligible status.
c
Adjusted for hospital teaching status, bed size category, safety‐net status, hospital ownership, and rural location.