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Table 5 Reduction across specialty groups of inpatient stay episodes in 12 months before-after analysis

From: Case management intervention of high users of the emergency department of a Portuguese hospital: a before-after design analysis

  Before After Variation
General Surgery 18 4 -78%*
Psychiatry 16 5 -69%*
Internal Medicine 41 23 -44%
Urology 4 3 -25%
Cardiology 6 6 0%
Nephrology 2 2 0%
Neurology 1 1 0%
Pneumology 4 6  + 50%
  1. *p < 0.05, one-tailed t-test for the reduction in mean