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Table 3 Differences in percent change in pain severity (NRS scores) Modic type I vs. no Modic changes, Modic type I vs. Modic type II and Modic changes present (both types I and II) and Modic changes absent

From: Are the presence of MODIC changes on MRI scans related to “improvement” in low back pain patients treated with lumbar facet joint injections?

   Number Mean SD
% NRS Change 1 day Modic I 81 35.46 39.35
No Modic 85 34.90 35.29
% NRS Change 1 Week Modic I 79 32.63 53.58
No Modic 84 43.93 20.53
% NRS Change 1 Month Modic I 77 22.99 56.50
No Modic 81 36.97 36.89
% NRS Change 1 Day Modic I 81 35.46 39.35
Modic II 57 39.51 37.80
% NRS Change 1 Week Modic I 79 32.63 53.58
Modic II 55 45.19 39.68
% NRS Change 1 Month Modic I 77 22.99 56.50
Modic II 54 30.52 42.56
% NRS Change 1 Day Modic I & II 138 37.13 38.63
Modic Absent 85 34.90 35.29
% NRS Change 1 Week Modic I & II 134 37.78 48.59
Modic Absent 84 43.93 30.53
% NRS Change 1 Month Modic I & II 131 26.09 51.17
Modic Absent 81 36.97 36.89
  1. N number of patients, NRS numerical rating scale for pain, SD standard deviation