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Table 2 Crude outcomes in the delayed and early pulmonary rehabilitation groups

From: Outcomes after early and delayed rehabilitation for exacerbation of chronic obstructive pulmonary disease: a nationwide retrospective cohort study in Japan

  Delayed pulmonary rehabilitation (n = 8459) Early pulmonary rehabilitation (n = 4113) P-value
90-day readmission, n (%) 1843 (21.8) 809 (19.7) 0.007
Barthel index ≥15 at discharge, n (%) 4193 (49.6) 2027 (49.3) 0.776
Length of stay, mean (SD) 30.4 (24.6) 20.3 (18.5) <0.001
  1. SD standard deviation