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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