Skip to main content

Table 2 Comparison of WOMAC scores among EQ-5D-5L response levels at baseline in 2018 (N = 151)

From: A pilot study on the validity and psychometric properties of the electronic EQ-5D-5L in routine clinical practice

EQ-5D dimension Adjacent response level (n) WOMAC Score
Pain Stiffness Function Total
mean diff p value mean diff p value mean diff p value mean diff p value
Mobility    < 0.001†   0.022†   < 0.001†   < 0.001†
  1–2 (38, 70) − 2.238 0.003* − 0.100 0.801* − 7.403 0.001* − 9.948 0.002*
  2–3+ (70, 43) − 2.617 < 0.001* − 0.954 0.014* − 7.181 0.001* − 10.855 < 0.001*
Self-Care    < 0.001†   0.036†   < 0.001†   < 0.001†
  1–2 (110, 30) − 1.936 0.014* − 0.804 0.050* − 7.107 0.002* − 10.033 0.002*
  2–3+ (30, 11) − 3.818 0.005* − 0.421 0.545* − 12.879 0.001* − 17.118 0.002*
Usual Activities    < 0.001†   < 0.001†   < 0.001†   < 0.001†
  1–2 (63, 55) − 2.404 < 0.001* − 1.439 < 0.001* − 10.056 < 0.001* − 14.010 < 0.001*
  2–3+ (55, 33) − 3.152 < 0.001* − 0.552 0.174* − 8.939 < 0.001* − 12.721 < 0.001*
Pain/Discomfort    < 0.001†   < 0.001†   < 0.001†   < 0.001†
  1–2 (14, 65) − 1.623 0.112* − 0.453 0.398* − 5.682 < 0.089* − 7.758 0.083*
  2–3+ (65, 72) − 3.974 < 0.001* − 1.656 < 0.001* − 8.922 < 0.001* − 14.485 < 0.001*
Anxiety/Depression    < 0.001†   < 0.001†   < 0.001†   < 0.001†
  1–2 (77, 50) − 1.841 0.007* − 0.907 0.006* − 5.510 0.005* − 8.289 0.002*
  2–3+ (50, 24) − 2.807 0.003* − 1.702 < 0.001* − 12.365 < 0.001* − 16.983 < 0.001*
  1. 3+: responses 3 to 5
  2. *p value of pairwise multiple comparison adjusted by least significant difference;
  3. One-way ANOVA were applied to compare among response levels in five dimensions of EQ-5D scores