Table 3. Size of Prosthesis.

Variable	Group A	Group B	Group C	p-value
Femur	4.0 (3–6)	4.2 (3–6)	4.2 (3–5)	0.11
Tibia	3.1 (2–6)	3.4 (2–6)	3.4 (2–6)	0.02
Patella	2.2 (1–4)	2.3 (1–4)	2.3 (1–3)	0.78
Bearing	1.5 (1–3)	1.5 (1–3)	1.7 (1–3)	0.21

Values are presented as mean (range). Group A: body mass index (BMI) < 25 kg/m². Group B: 25 kg/m² ≤ BMI < 30 kg/m². Group C: BMI ≥ 30 kg/m². Size of femur: A = 1, B = 2, C = 3, D = 4, E = 5, F = 6; size of tibia: 1 = 1, 2 = 2, 3 = 3, 4 = 4, 5 = 5, 6 = 6; size of patella: 26 mm = 1, 29 mm = 2, 32 mm = 3, 35 mm = 3, 38 mm = 4; thickness of polyethylene: 10 mm = 1, 12 mm = 2, 14 mm = 3, 17 mm = 4.