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Table 1 Baseline characteristics of participants (n = 977)

From: Infrapatellar fat pad in the knee: is local fat good or bad for knee osteoarthritis?

Characteristic Values*
Age, years 62.4 (7.4)
Sex, female, n (%) 490 (50.2)
Total body fat, kg 27.8 (8.6)
Medial tibial cartilage volume, ml 2.3 (0.6)
Lateral tibial cartilage volume, ml 2.7 (0.7)
Patella cartilage volume, ml 3.2 (0.9)
Medial tibial bone area, cm2 20.9 (3.1)
Lateral tibial bone area, cm2 12.2 (2.2)
Medial joint space narrowing, n (%) 480 (53.0)
Lateral joint space narrowing, n (%) 220 (24.3)
MTF osteophytes, n (%) 65 (7.2)
LTF osteophytes, n (%) 37 (4.1)
BML present, n (%) 348 (35.6)
MTF cartilage defects, n (%) 238 (24.4)
LTF cartilage defects, n (%) 214 (22.0)
Patellar cartilage defects, n (%) 391 (40.1)
Total WOMAC knee pain, n (%) 507 (52.1)
Patellofemoral synovitis, n (%) 243 (26.8)
  1. *Mean (SD), or number (n) of patients (%), as mentioned in the table. BMI, body mass index; WOMAC, Western Ontario and McMasters osteoarthritis index; BMLs, bone marrow lesions; MTF, medial tibiofemoral; LTF, lateral tibiofemoral.