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Table 3 12 months before-after variation of 88 patients across Manchester triage system colors

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

  Before After Variation
Yellow 584 248 -58%*
Green 532 253 -52%*
Orange 208 132 -37%*
Blue 68 48 -29%*
Red 3 2 -33%
  1. * p < 0.05, one-tailed t-test for the reduction in mean