From: Effect of accreditation on length of stay in psychiatric inpatients: pre-post accreditation medical record comparison
LOS (in days)
Before accreditation (n = 177)
After accreditation (n = 182)
P value
Mean–SD (n)
41.1 ± 29.5
35.3 ± 18.5 (182)
0.026*
Range
1–167
3–113
Median
34