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Table 2 Associations between a large baseline IPFP and cartilage volume and knee pain

From: A large infrapatellar fat pad protects against knee pain and lateral tibial cartilage volume loss

  Univariate analysis P Multivariate analysis P
Baseline IPFP, cm2 and cartilage volume, mm2 β (95 % CI)
Medial tibiala 516 (408, 623) <0.001 81 (−11, 173) 0.08
Lateral tibiala 608 (476, 739) <0.001 90 (−22, 202) 0.11
Patellab 835 (657, 1014) <0.001 −3 (−162, 156) 0.97
Annual % change in cartilage volume
Medial tibiala 0.0 (−0.8, 0.7) 0.93 −0.1 (−1.0, 0.8) 0.79
Lateral tibiala −0.5 (−1.1, 0.1) 0.13 −0.9 (−1.6, −0.1) 0.03
Patellab 0.0 (−0.7, 0.7) 0.94 0.5 (−0.4, 1.4) 0.27
Knee pain at follow up
High painc, odds ratio (95 % CI) 0.7 (0.4, 1.1) 0.09 0.5 (0.3, 0.9) 0.02
  1. Median infrapatellar fat pad (IPFP) maximal cross-sectional area value used to determine large and small IPFP size. Median WOMAC pain value used to determine high and low knee pain assessed by Western Ontario and McMaster University Osteoarthritis Index at follow up. aMultivariate adjusted for gender, baseline age, body mass index (BMI) and respective tibial plateau bone area (mm2). bMultivariate adjusted for gender, baseline age, BMI and patellar bone volume (mm3). cMultivariate adjusted for gender, baseline age and BMI