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Table 3 Association between IPFP area and different manifestations of osteoarthritis, gender, and BMI

From: Infrapatellar fat pad area on knee MRI: does it correlate with the extent of knee osteoarthritis?

Variables IPFP (mean ± SD) P value
BMI category
 Normal (18.5–25) 7.66 ± 1.35 < 0.001
 Overweight (25–30) 6.90 ± 1.63
 Obese (> 30) 6.15 ± 1.31
Gender
 Male 7.24 ± 1.73 0.202
 Female 6.92 ± 1.56
Osteophites
 0 7.43 ± 0.13 < 0.001
 1 7.80 ± 1.59
 2 5.84 ± 0.58
 3 5.70 ± 0.83
Joint space narrowing
 0 8.03 ± 1.52 < 0.001
 1 6.76 ± 1.39
 2 5.57 ± 0.55
 3 5.40 ± 0.81
OA grade
 Mild 7.93 ± 1.47 < 0.001
 Moderate 5.91 ± 0.63
 Severe 5.33 ± 0.65
Bone marrow lesions
 0 7.63 ± 1.67 < 0.001
 1 7.27 ± 1.68
 2 6.14 ± 0.81
 3 5.15 ± 0.1
Cartilage defects
 0 7.61 ± 1.48 0.003
 1 7.63 ± 1.93
 2 6.02 ± 0.85
 3 5.82 ± 0.72
 4 5.50 ± 0.01