Table 1.
Characteristics of Hospitals, Before and After Matching (2014–2015).
| All hospitals (N = 3,021) | All non-Magnet hospitals (n=2,698) | Magnet hospitals (n = 323) | p-value | Matched non-Magnet hospitals (n =253) | Standardized differences | ||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Prematch | Postmatch | ||||||
| Hospital characteristics | |||||||
| Bed size, mean (SD) | 223 (212) | 197 (183) | 441 (299) | <.001 | 385 (274) | 0.8129 | 0.0162 |
| Mean Case Mix Index (CMI), mean (SD) | 1.52 (0.31) | 1.50 (0.30) | 1.72 (0.27) | <.05 | 1.672 (0.24) | 0.82 | 0.0293 |
| Mean HHI (HRR), mean (SD) | 1239 (1021) | 1242 (1011) | 1220 (1101) | .7249 | 1184 (941) | −0.0192 | 0.0334 |
| Profit status (% for-profit) | 23 | 26 | 4 | <.001 | 5 | −1.1061 | 0.0157 |
| Technology status (% High Tech) | 35 | 30 | 76 | <.001 | 70 | 1.0683 | 0.0144 |
| Teaching status | |||||||
| Minor teaching (%) | 32 | 32 | 36 | .139 | 36 | 0.0848 | 0.0129 |
| Major teaching (%) | 8 | 6 | 20 | <.001 | 16 | 0.3481 | 0.0153 |
| Location | |||||||
| Metropolitan location (%) | 75 | 73 | 96 | <.001 | 95 | 1.1178 | 0 |
| Micropolitan location (%) | 17 | 18 | 4 | <.001 | 4 | −0.7332 | 0 |
| Rural location (%) | 8 | 9 | 0.31 | <.001a | 0.4 | −1.5031 | 0 |
Note. Minor teaching is defined by ≤ 1:4 medical residents or fellows to beds; Major teaching is defined by > 1:4 medical residents or fellows to beds; Micropolitan is defined by > 10,000 & ≤ 50,000 residents.
a
Uses fisher exact test because cell size < 5.