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Table 3 Diagnostic accuracy of various clinical characteristics to separate type 1 from type 2 Modic changes

From: Association of Modic change types and their short tau inversion recovery signals with clinical characteristics- a cross sectional study of chronic low back pain patients in the AIM-study

  N AUC
(95% confidence interval)
Low back pain intensity (0–10 NRS score) 178 0.53 (0.44–0.63)
Leg pain intensity (0–10 NRS score) 179 0.44 (0.35–0.52)
Duration of back pain 179 0.53 (0.44–0.63)
Number of days last 4 weeks with low back pain 177 0.51 (0.47–0.56)
Number of hours per day (mean of last 4 weeks) with back pain 177 0.48 (0.39–0.56)
Pain worse when walking 178 0.50 (0.43–0.58)
Pain worse when exercising 177 0.55 (0.47–0.63)
Constant pain 178 0.54 (0.48–0.61)
Previous operation for disc herniation 180 0.54 (0.47–0.60)
Sleep disturbance (ODI sleep item score) 177 0.42 (0.33–0.50)
Back pain prevents sitting (ODI sitting item score) 178 0.43 (0.35–0.51)
Aggravation of pain by flexion of lumbar spine 177 0.52 (0.45–0.59)
Aggravation of pain by extension of lumbar spine 177 0.53 (0.45–0.60)
Springing test positive 180 0.52 (0.46–0.57)
  1. AUC Area under the receiver operating characteristic curve, NRS Numerical rating score, ODI Oswestry Disability Index