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