Table 2.

​Intergroup analysis of knee anatomical parameters

Variable	Total	Control Group	Case Group	Statistic	P
Bicondylar Width, mm	73.07 ± 5.63	73.41 ± 5.38	72.68 ± 5.91	t = 0.84	0.401
Intercondylar Notch Width Index (NWI)	0.26 ± 0.03	0.26 ± 0.03	0.27 ± 0.03	t=−0.87	0.387
Intercondylar Notch Depth, mm	28.47 ± 2.82	28.54 ± 3.04	28.39 ± 2.58	t = 0.34	0.735
Intercondylar Notch Width, mm, M (Q₁, Q₃)	19.34 (17.27, 21.13)	19.45 (17.30, 20.84)	19.27 (17.07, 21.40)	Z=−0.09	0.928
Intercondylar Angle,°, M (Q₁, Q₃)	47.00 (43.00, 53.00)	47.00 (41.00, 51.00)	49.50 (44.75, 55.00)	Z=−2.40	0.016
Proximal Tibial Angle,°	93.75 ± 2.30	93.48 ± 2.26	94.04 ± 2.32	t=−1.57	0.118
Distal Femoral Angle,°	80.92 ± 2.03	81.00 ± 2.10	80.83 ± 1.97	t = 0.56	0.578
Posterior Tibial Slope Angle,°	9.52 ± 4.17	11.06 ± 4.07	7.81 ± 3.59	t = 5.46	< 0.001