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Table 3 Significance of mortality difference between SPRINT and retrospective cohorts grouped by length of intensive care unit stay

From: Implementation and evaluation of the SPRINT protocol for tight glycaemic control in critically ill patients: a clinical practice change

  Intensive care unit mortality
  Retrospective SPRINT Percentage change (relative) P value
LOS ≥ 1 day 18.6% 16.8% -10% 0.523
LOS ≥ 2 days 20.7% 17.9% -14% 0.403
LOS ≥ 3 days 22.0% 16.9% -23% 0.177
LOS ≥ 4 days 22.7% 16.6% -27% 0.130
LOS ≥ 5 days 21.1% 13.9% -34% 0.087
  Hospital mortality
  Retrospective SPRINT Percentage change (relative) P value
LOS ≥ 1 day 27.4% 24.9% -9% 0.457
LOS ≥ 2 days 31.6% 26.3% -17% 0.170
LOS ≥ 3 days 34.1% 25.4% -26% 0.045
LOS ≥ 4 days 34.3% 23.5% -32% 0.020
LOS ≥ 5 days 31.9% 20.6% -35% 0.019
  1. The P values test the median mortality result using the chi-square contingency table test. LOS, length of stay; SPRINT, Specialised Relative Insulin Nutrition Tables.