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Table 2 Outcome and activity for admissions with chronic obstructive pulmonary disease by subgroup

From: Case mix and outcomes for admissions to UK adult, general critical care units with chronic obstructive pulmonary disease: a secondary analysis of the ICNARC Case Mix Programme Database

  All (n = 3752) I. Pneumonia (n = 775) II. Right VF (n = 147) III. Left VF (n = 142)
Outcome     
   Mortality in the CMP unit (n [%]) [95% CI] 827 (23.1) [21.7–24.5] 183 (24.5) [21.5–27.8] 50 (34.7) [27.0–43.1] 33 (24.1) [17.2–32.1]
   Mortality in any hospital (n [%]) [95% CI]a 1322 (38.3) [36.7–40.0] 288 (40.1) [36.5–43.8] 73 (51.4) [42.9–59.9] 47 (36.4) [28.1–45.4]
Activity     
   Length of stay     
In CMP unit (days; median [IQR]) 4.0 (1.6–9.4) 5.5 (2.2–11.8) 4.1 (1.4–9.1) 3.3 (1.2–7.3)
Any hospital (days; median [IQR])a 16 (9–29) 19 (10–33) 13 (6–22) 14 (8–27)
   Readmission within same hospital stay (n [%]) 169 (4.5) 29 (3.7) 3 (2.0) 5 (3.5)
   Transferred in (n [%])b 529 (14.1) 144 (18.6) 10 (6.9) 19 (13.5)
   Transferred out (n [%])b,c 537 (18.6) 133 (22.7) 11 (11.3) 18 (17.0)
   Decision made to withdraw all active treatment (n [%]) 422 (11.3) 88 (11.4) 31 (21.1) 16 (11.3)
   Time from unit admission to treatment withdrawal (days; median [IQR])d 3.7 (1.2–7.9) 5.0 (1.8–9.2) 4.0 (1.0–9.0) 3.0 (1.1–7.6)
   Time from treatment withdrawal to death(hours; median [IQR])e 3.3 (1.1–8.9) 3.3 (1.0–9.4) 4.3 (1.5–7.6) 3.9 (2.0–6.8)
  1. aExcluding 169 (4.5%) admissions who were readmissions to the intensive care unit (ICU) within the same hospital stay. bFrom/to another critical care unit. cPercentage of patients who were discharged from the unit alive. dCalculated on all admissions with a decision to withdraw active treatment. eCalculated on all admissions with a decision to withdraw active treatment, excluding 32 (7.6%) who were discharged from the unit alive. CI, confidence interval; CMP, Case Mix Programme; IQR, interquartile range; VF, ventricular failure.