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Table 4 CRP levels by pre- and post-RT pain stratified by obesity

From: Association between C-reactive protein and radiotherapy-related pain in a tri-racial/ethnic population of breast cancer patients: a prospective cohort study

BMI Pre-RT pain Post RT pain N Pre-RT CRP Post-RT CRP  
Mean SD Median P 1 Mean SD Median P 1 P 2
NA No No 194 5.5 8.4 3.3 0.278 5.2 7.9 3.2 0.034 0.675
NA No Yes 57 7.1 8.8 3.4   7.2 10.8 4.8   0.936
NA Yes No 20 5.4 9.2 2.2 0.010 5.6 9.5 3.3 0.075 0.807
NA Yes Yes 34 10.8 12.1 6.0   8.8 10.2 5.6   0.278
< 30 No No 130 5.1 9.2 2.6 0.786 4.4 8.1 2.0 0.169 0.423
< 30 No Yes 31 5.4 8.1 2.7   7.4 14.1 3.2   0.366
< 30 Yes No 10 4.4 7.0 2.2 0.393 3.6 2.4 3.1 0.647 0.676
< 30 Yes Yes 11 12.1 16.8 3.6   7.5 11.5 4.2   0.304
≥ 30 No No 64 6.3 6.3 4.6 0.480 6.9 7.1 4.8 0.368 0.497
≥ 30 No Yes 26 9.0 9.5 5.9   6.9 4.8 5.9   0.259
≥ 30 Yes No 10 6.4 11.3 2.7 0.022 7.7 13.3 3.5 0.142 0.114
≥ 30 Yes Yes 23 10.1 9.4 6.4   9.4 9.7 6.9   0.677
  1. 1Unadjusted P value from the Wilcoxon two-sample test (comparing 2 groups by pain status)
  2. 2P value from the paired t test within each group (comparing pre-RT and post-RT CRP). Significant findings are in italics