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Table 5 Number of patients achieving a Minimal Clinical Important Difference

From: Do MRI findings identify patients with chronic low back pain and Modic changes who respond best to rest or exercise: a subgroup analysis of a randomised controlled trial

Subgroup

Rest

Exercise

Treatment effect

Modic changes Type 1

24 % (n = 9)

31 % (n = 11)

7 % fewer patients in the rest group achieved MCID

No Modic changes Type 1

64 % (n = 7)

55 % (n = 6)

9 % more patients in the rest group achieved MCID

Modic changes large (≥25 %)

32 % (n = 11)

39 % (n = 13)

7 % fewer patients in the rest group achieved MCID

Modic changes small (<25 %)

33 % (n = 5)

29 % (n = 4)

4 % more patients in the rest group achieved MCID

Large Modic changes Type 1 ((≥25 %)

25 % (n = 7)

36 % (n = 10)

11 % fewer patients in the rest group achieved MCID

No large Modic changes Type 1

43 % (n = 9)

37 % (n = 7)

6 % more patients in the rest group achieved MCID

  1. Number of patients (in percentage) achieving a Minimal Clinical Important Difference (MCID >1.0-point on a 0–10 point NRS) at 14-month follow-up in the two subgroups