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Table 2 Unadjusted and adjusted effects of LOS on mortality and readmission (patient level), unadjusted and with adjustment for centre and case-mix

From: Evaluation of hospital outcomes: the relation between length-of-stay, readmission, and mortality in a large international administrative database

  Mortality Unadjusted OR (95% CI) Adjusted OR (95% CI) Readmission Unadjusted OR (95% CI) Adjusted OR (95% CI)
All patients
Long LOS (quartile) 1.96 (1.93–1.98) 1.45 (1.43–1.47) 1.53 (1.52–1.55) 1.37 (1.35–1.38)
Stroke patients
Long LOS (quartile) 0.68 (0.64–0.72) 0.46 (0.43–0.49) 1.33 (1.25–1.42) 1.16 (1.08–1.25)
Colorectal patients
Long LOS (quartile) 1.77 (1.60–1.96) 1.31 (1.16–1.47) 1.41 (1.31–1.53) 1.34 (1.23–1.45)
Heart Failure patients
Long LOS (quartile) 2.33 (2.20–2.46) 1.38 (1.29–1.47) 1.17 (1.12–1.23) 1.17 (1.11–1.23)
  1. OR = odds ratio, CI = confidence interval