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Table 3 ROC and MCIC estimates according to patient perceived important change in main complaint

From: Measurement properties of the musculoskeletal health questionnaire (MSK-HQ): a between country comparison

Cut points

n (%)

ROCAUC (95% CI)

MCICROC

Sensitivity/ specificity %

MCICpercent

Large improvement

 DK cohort

64 (52.5)

0.83 (0.75 to 0.90)

10

78/81

26

 UK cohort

49 (37.1)

0.79 (0.71 to 0.87)

8

78/69

29

Small improvement

 DK cohort

87 (74.3)

0.85 (0.77 to 0.92)

8

76/80

26

 UK cohort

85 (64.9)

0.76 (0.68 to 0.85)

6

71/71

29

  1. a) Large improvement (much better, better versus a little better, unchanged, little worse)
  2. b) Small improvements (much better, better, little better versus unchanged)
  3. MCICROC: Estimated as the optimal cut-off point of the ROC curve using absolute change scores
  4. MCICpercent: Estimated as the optimal cut-off point of the ROC curve using relative change scores
  5. Abbreviations: ROC receiver operating characteristic, AUC area under the curve, CI confidence interval