Table 1 Characteristics of hospitals in different tertiles of risk-standardized in-hospital cost
Hospital Characteristics | Overall | Risk-Standardized In-Hospital Cost Tertile | p-value | ||
|---|---|---|---|---|---|
Low ($13,097-17,648) | Medium ($17,663-19,875) | High ($19,923-31,296) | |||
Total no. of hospitals | 326 | 108 | 109 | 109 | Â |
AMI 3-year volume | 0.06 | ||||
 < 146 (low) | 33.4 | 42.6 | 25.7 | 32.1 |  |
 146–284 (medium) | 33.1 | 30.6 | 39.5 | 29.4 |  |
 > 284 (high) | 33.4 | 26.9 | 34.9 | 38.5 |  |
Beds | 0.09 | ||||
 < 257 (low) | 33.1 | 43.5 | 26.6 | 29.4 |  |
 257–409 (medium) | 33.4 | 27.8 | 37.6 | 34.9 |  |
 > 409 (high) | 33.4 | 28.7 | 35.8 | 35.8 |  |
Teaching hospitals | 0.60 | ||||
 Yes | 34.7 | 35.2 | 31.2 | 37.6 |  |
 No | 65.3 | 64.8 | 68.8 | 62.4 |  |
Census regions | 0.38 | ||||
 Midwest | 24.9 | 31.5 | 22.9 | 20.2 |  |
 Northeast | 13.5 | 12.0 | 11.9 | 16.5 |  |
 South | 42.3 | 36.1 | 44.0 | 46.8 |  |
 West | 19.3 | 20.4 | 21.1 | 16.5 |  |
Population served | 0.37 | ||||
 Urban | 85.3 | 82.4 | 89.0 | 84.4 |  |
 Rural | 14.7 | 17.6 | 11.0 | 15.6 |  |