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Table 1 Score statistics and reliabilities (α) at baseline and follow-up.

From: Responsiveness: a reinvention of the wheel?

  Barthel N = 89 SIP N = 407 GO-QOL N = 163
Baseline score (SD, IQR1) 7.98 (4.52, 5–12) 5.12 (6.28, 1–7) 59.32 (24.64, 44–81)
Follow-up score (SD, IQR) 14.25 (5.06, 10–19) 6.13 (7.57, 0–9) 65.22 (24.17, 50–81)
Mean change score (SD)2 6.27 (3.21) 1.01 (4.36) 5.90 (17.13)
SRM3 1.95 0.23 0.34
Chronbach's α time 1 0.86 0.92 0.83
Chronbach's α time 2 0.89 0.94 0.84
  1. 1) Distribution of change scores was approximately normal for all three datasets
  2. 2) IQR = interquartile range
  3. 3) SRM = Standardized Response Mean (see statistical analysis section)