Table 2 GEE regression results with independent variance-covariance matrix: a sample of 1493 pooled observations representing 382 unique acute care hospitals in Texas operating between 2007 and 2010
Variables | Â | Total revenue | Gross inpatient revenue | Gross outpatient revenue |
|---|---|---|---|---|
| Â | Â | Coefficient (Std. Err) | Coefficient (Std. Err) | Coefficient (Std. Err) |
Inpatient days (in log) | Â | 0.874** (0.037) | 1.218** (0.037) | 0.359** (0.043) |
Outpatient visits (in log) |  | 0.190** (0.012) | −0.008 (0.015) | 0.273** (0.014) |
Emergency visits (in log) |  | −0.051** (0.014) | −0.136** (0.014) | −0.073** (0.016) |
Government admissions (in log) |  | −0.122** (0.028) | −0.208** (0.029) | 0.323** (0.034) |
Total IT investment ($) (in log) | Â | 0.080** (0.008) | 0.047** (0.008) | 0.058** (0.009) |
Number of Licensed Beds (in log) |  | −0.024 (0.033) | −0.028 (0.032) | −0.089* (0.034) |
System member |  | −0.005 (0.012) | −0.034** (0.013) | −0.084** (0.015) |
Ownership | Government | 0.008 (0.022) | −0.619** (0.028) | −0.232** (0.026) |
|  | Not for profit | 0.044 (0.015) | −0.202** (0.014) | −0.041* (0.017) |
Teaching status |  | 0.047 ** (0.011) | 0.046** (0.012) | −0.021 (0.014) |
Competition | HHI | −0.492** (0.037) | −0.345** (0.041) | −0.199** (0.038) |
Time effects | Time | 0.072** (0.026) | 0.078** (0.028) | 0.119** (0.034) |
|  | Time2 | −0.004 (0.005) | 0.000 (0.005) | 0.002 (0.006) |
Constant | Â | 7.908** (0.183) | 9.408** (0.176) | 9.563** (0.194) |