Table 2.

Incidence and classification of poserotlateral tibial plateau fractures depending on the presence of femoral notch sign (N = 29) or in the absence of femoral notch sign (N = 86)

Parameter	Patients with femoral notch sign	Patients without femoral notch sign	p value
PL tibia impression
Yes	28	76	0.286†
No	1	10
PL tibial impression classification
1a	27	60	0.488*
1b	0	4
1c	0	3
2a	1	8
2b	0	1
2c	0	0
3a	0	0
3b	0	0

^†Using Fisher’s exact test

^‡Using Mann–Whitney U test