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Table 3 Mean change from baseline and effect size at 8 and 26 weeks following discharge

From: Health-related quality of life and physical recovery after a critical illness: a multi-centre randomised controlled trial of a home-based physical rehabilitation program

  Control
(95% CI)
Effect
Sizea
Intervention
(95% CI)
Effect
Sizea
Difference
(95% CI)
Effect
Sizeb
8 weeks      
PF d 12.2 (9.9,14.5) 1.17 12.9 (10.7,15.1) 1.02 0.7 (-2.5,3.8) 0.07
6MWT 80.3 (52.3,108.3) 0.55 88.7 (62.6,114.8) 0.69 8.4 (-29.6, 46.4) 0.07
PCS c 9.9 (7.6,12.2) 1.10 8.6 (6.6,10.5) 0.87 -1.3 (-4.3, 1.7) -0.14
MCS c 7.8 (4.8,10.9) 0.59 9.7 (6.4,12.9) 0.66 1.8 (-2.6, 6.2) 0.13
26 weeks      
PF 13.7 (11.4,16.0) 1.32 14.6 (11.7,17.6) 1.16 0.9 (-2.7, 4.6) 0.08
6MWT 116.2 (85.6,146.8) 0.80 125.8 (98.7,152.9) 0.98 9.6 (-31.4, 50.5) 0.08
PCS c 10.6 (8.4,12.8) 1.18 10.9 (8.2,13.6) 1.11 0.3 (-3.2, 3.7) 0.03
MCSc 8.1 (5.0,11.2) 0.61 9.6 (6.1,13.1) 0.65 1.5 (-3.1, 6.2) 0.10
  1. 6MWT, six minute walk test distance (metres); CI, confidence interval; MCS, mental component summary; PCS, physical component summary; PF, physical functioning
  2. aEffect size = mean change from baseline/standard deviation at baseline
  3. bEffect size = (Intervention mean change-Control mean change)/ pooled standard deviation for change
  4. cNorm-based score for Australian normative population mean = 50, standard deviation = 10.