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Table 5 Spearman’s Correlations Between Baseline Patient-Rated Outcomes and Longitudinal Biomarker Changes in Adults a

From: Differences in biomarkers of cartilage matrix turnover and their changes over 2 years in adolescent and adult volleyball athletes

   IKDC SF-36 PCS SF-36 MCS
CILP r −0.099 −0.296 −0.148
P-value 0.695 0.233 0.559
COMP r 0.114 −.519 0.149
P-value 0.653 0.027* 0.556
sC2C r −0.319 0.406 0.163
P-value 0.197 0.095 0.518
CPII r −0.293 0.207 0.232
P-value 0.239 0.409 0.354
C2C-HUSA r 0.193 0.130 −0.136
P-value 0.428 0.596 0.578
CTX-II r −0.195 0.228 −0.395
P-value 0.425 0.348 0.094
  1. a N = 18 for all correlation analyses due to one adult female missing a baseline serum sample, except for C2C-HUSA