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Table 5 Mean differences OLOS-PLOS1 according to efficiency of care

From: Observed-predicted length of stay for an acute psychiatric department, as an indicator of inpatient care inefficiencies. Retrospective case-series study.

Efficiency assessment Mean N Std. Deviation 95% Confidence interval
Adequate -4.1663 143 8.0234 -5.49 to -2.84
Impaired Efficiency 2.0541 44 10.0399 -1.00 to 5.11
Total -2.7027 187 8.9134  
  1. 1 Obtained with the second group of 187 histories.