Table 3.
Continuous Predictor | 10th Percentile | Predicted Probability of LWBS | 90th Percentile | Predicted Probability of LWBS | Mean Difference in % LBWS (=90%−10%; [SD]) |
---|---|---|---|---|---|
Age, y | 31.3 | 2.52 | 45.8 | 2.43 | −0.10 (0.43) |
Men, % | 43.0 | 2.67 | 50.1 | 2.27 | −0.41 (0.53) |
Minority, % | 16.8 | 2.21 | 80.4 | 2.75 | 0.54 (0.70) |
Income, $1,000 | 33.2 | 3.38 | 65.1 | 1.65 | −1.73 (1.39) |
Insurance, % (Med-Cal+uninsured) | 15.5 | 2.24 | 68.7 | 2.77 | 0.53 (0.87) |
Operating margin, % | −12.9 | 2.29 | 12.2 | 2.68 | 0.39 (0.47) |
Binary Predictor | Predicted Probability of LWBS | Difference Assessed | Mean Difference (SD) |
---|---|---|---|
Base case (not for profit, nonteaching, nontrauma center) | 2.47 | ||
Ownership | County: for profit | 2.39 (2.28) | |
County | 5.02 | County: not for profit | 2.55 (2.35) |
For profit | 2.63 | For profit: not for profit | 0.16 (0.47) |
Teaching | 5.13 | Yes/No | 2.66 (2.34) |
Trauma center | 3.93 | Yes/No | 1.46 (1.29) |
Means of the continuous predictors: Age: 38.82 years; men: 46.31%; nonwhite: 49.88%; income (per $1,000): 47.14; insurance (Med-Cal+uninsured: 41.83%; operating margin: −0.67%. Binary predictors are set: ownership=not for profit, teaching=no, trauma center=no.