From: Accounting for the relationship between per diem cost and LOS when estimating hospitalization costs
 | Logarithmic Model (F) | Constant Model (G) | |||
---|---|---|---|---|---|
 |  | Estimate (SE) | P-Value | Estimate (SE) | P-Value |
Intercept | 9.281 (0.271) | <.0001 | 8.445 (0.037) | <.0001 | |
Ln(LOS) | −0.315 (0.101) | 0.002 | NA | NA | |
Complication Group | Death | 1.365 (0.281) | <.0001 | 0.903 (0.049) | <.0001 |
 | Bleed | 0.25 (0.281) | 0.375 | 0.258 (0.04) | <.0001 |
 | MI | 0.107 (0.362) | 0.769 | 0.219 (0.051) | <.0001 |
 | None/Other | 0.110 (0.271) | 0.685 | 0.218 (0.037) | <.0001 |
 | Infection | 0.384 (0.315) | 0.224 | 0.179 (0.045) | <.0001 |
 | >2 Compls | −0.17 (0.699) | 0.808 | 0.173 (0.083) | 0.038 |
 | 2 Compls | −0.053 (0.307) | 0.864 | 0.034 (0.045) | 0.444 |
 | Renal | −0.086 (0.288) | 0.765 | 0.013 (0.041) | 0.759 |
 | Stroke | Reference* | Reference* | ||
Ln(LOS) x Compl. Group | Death | −0.313 (0.106) | 0.003 |  |  |
 | Bleed | −0.054 (0.107) | 0.611 |  |  |
 | MI | −0.005 (0.146) | 0.973 |  |  |
 | None/Other | −0.042 (0.102) | 0.677 |  |  |
 | Infection | −0.113 (0.121) | 0.35 |  |  |
 | >2 Compls | 0.16 (0.225) | 0.477 |  |  |
 | 2 Compls | 0.049 (0.113) | 0.662 |  |  |
 | Renal | 0.032 (0.108) | 0.765 |  |  |
 | Stroke | Reference* |  |  |