Illustration of how results might differ with twice the amount of information in the data
| (a) Outcome measure | (b1) Top tier hospitals not significantly different from at least one mid-tier hospital, N (%) | (b2) Mid-tier hospitals not significantly different from at least one top-tier hospital, N (%) | (b3) Percentage of mid-tier hospitals not significantly different from a top-tier hospital, mean (10th–90th centile) | (c1) Bottom-tier hospitals not significantly different from at least one mid-tier hospital, N (%) | (c2) Mid-tier hospitals not significantly different from at least one bottom-tier hospital, N (%) | (c3) Percentage of mid-tier hospitals not significantly different from a bottom-tier hospital, mean (10th–90th centile) |
|---|---|---|---|---|---|---|
| 30-Day mortality rate for: | ||||||
| Heart attack | 234 (100.0) | 2167 (90.9) | 65.0 (34.4–84.3) | 93 (100.0) | 1928 (80.9) | 62.2 (38.0–76.7) |
| Heart failure | 437 (100.0) | 2957 (91.4) | 59.8 (27.6–81.8) | 271 (100.0) | 2749 (85.0) | 58.6 (31.1–78.5) |
| Pneumonia | 503 (100.0) | 2953 (88.8) | 62.3 (35.5–81.2) | 408 (100.0) | 2843 (85.5) | 50.4 (18.2–72.1) |
| 30-Day readmission rate for: | ||||||
| Heart attack | 147 (100.0) | 1862 (88.7) | 67.7 (47.6–82.6) | 117 (100.0) | 1849 (88.0) | 62.3 (38.6–80.8) |
| Heart failure | 312 (100.0) | 2942 (88.0) | 64.7 (36.3–81.6) | 365 (99.5) | 3019 (90.3) | 58.7 (22.6–79.3) |
| Pneumonia | 219 (100.0) | 3214 (86.8) | 70.9 (51.1–83.3) | 330 (100.0) | 3135 (84.7) | 53.0 (17.2–76.2) |