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Table 3 Internal responsiveness and pre-post changes of the various patient-reported outcomes

From: Psychometric properties of the Fatigue Severity Scale in obese patients

  Pre Post Pre-post difference ES ( d) SRM
  Mean (SD) Mean (SD) Value (95% CI) Value (95%CI) Value (95%CI)
BMI 44.2 (5.2) 42.7 (6.0) −1.6 (−1.1 to −2.0) −0.31 (−0.03 to −0.58) −0.53 (−0.25 to −0.80)
ORWELL-97 51.5 (27.9) 43.0 (27.0) −8.4 (−5.7 to −11.1) 0.30 (−0.03 to −0.57) −0.44 (−0.17 to −0.72)
FSS Total score 3.9 (1.3) 3.4 (1.3) −0.5 (−0.4 to −0.7) −0.37 (−0.10 to −0.65) −0.50 (−0.22 to −0.78)
POMS-Fatigue 9.2 (5.7) 6.5 (5.4) −2.7 (−2.0 to −3.3) −0.47 (−0.20 to −0.75) −0.55 (−0.27 to −0.83)
POMS-Vigor 14.9 (6.9) 17.3 (6.9) 2.3 (1.6 to 3.1) 0.33 (0.06 to 0.61) 0.42 (0.14 to 0.69)