Table 4
Segmented regression analyses for the median hospital length-of-stay (18 months)
| Unit | Baseline trend coefficient, SE (p value) | Level change coefficient, SE (p value) | Trend change coefficient, SE (p value) |
| Medicine A | 0.15, 0.05 (p=0.006) | −12.52, 3.30 (p<0.001) | −0.24, 0.07 (p=0.001) |
| Medicine B | 0.10, 0.06 (p=0.082) | −2.45, 4.13 (p=0.555) | −0.15, 0.13 (p=0.256) |
| Surgery C | −0.12, 0.05 (p=0.024) | 4.96, 3.76 (p=0.190) | 0.06, 0.12 (p=0.627) |
| Telemetry D | −0.07, 0.06 (p=0.238) | −12.74, 4.07 (p=0.002) | 0.52, 0.10 (p<0.001) |