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| General wards (n=30,785 admissions) | Intensive care units (n=4013 transfers) | |||
|---|---|---|---|---|
| Proportion of pLOSa (LOS ≥9 days), % | P value | Proportion of pLOS (LOS ≥4 days), % | P value | |
| Silent period | 26.85 | —b | 28.91 | — |
| Season-matched alert period | 24.65 | .01 | 30.96 | .39 |
| Entire alert period | 25.46 | .03 | 28.54 | .84 |
pLOS: prolonged length of stay
Not applicable.
