Skip to main content

Table 1 Subject characteristics

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

  Baseline (n = 297) Follow up (n = 271)
Age 58.0 (5.5) 60.2 (5.2)
Gender, female, n (%) 186 (62.6) 169 (62.4)
Body mass index, kgm−2 25.9 (4.3) 25.8 (4.0)
WOMAC pain measures -  
Mean   34.6 (41.1)
Low, range in mm   0.0–24.9
High, range in mm   25.0–247.00
IPFP measures   
IFPF maximal cross-sectional area, cm2 6.9 (1.2) -
Small, range in cm2 4.22–6.72  
Large, range in cm2 6.73–10.57  
Cartilage volume, mm3   
Medial tibial 1,705 (530) 1,651 (507)
Lateral tibial 2,026 (644) 1,991 (626)
Patella 2,918 (941) 2,807 (937)
Tibial bone area, mm2   
Medial 2,014 (309) -
Lateral 1,288 (195) -
Patella bone volume, mm3 20,276 (4,667) -
Change data
Annual percentage cartilage loss (SEM)  
Medial tibial 1.2 (0.2)
Lateral tibial 1.1 (0.2)
Patella 1.8 (0.2)
  1. Results displayed as mean (standard deviation) unless otherwise stated. WOMAC Western Ontario and McMaster University Osteoarthritis Index, IPFP infrapatellar fat pad, SEM standard error of the mean