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Table 3 Change scores in relation to MIC and SDC

From: The interpretation of change score of the pain disability index after vocational rehabilitation is baseline dependent

 

Total sample

N = 341

Baseline PDI Q1

(3–27) N = 89

Baseline PDI Q2

(28–35) N = 81

Baseline PDI Q3

(36–42) N = 83

Baseline PDI Q4

(43–60) N = 88

Change ≥1 point (%)

76.5

65.2

79.0

74.7

87.5

MIC

−12.5

−6.5

−14.5

−14.5

−19.5

≥MIC (%)

41.9

46.1

44.4

39.8

42.0

SDC individual

3.4

3.4

3.4

3.4

3.4

≥SDC individual (%)

69.8

55.1

74.1

68.7

81.8

MIC > SDC

Yes

Yes

Yes

Yes

Yes

  1. PDI pain disability index, Q quartile, MIC minimal important change, SDC smallest detectable change