Comparison of Functional Outcomes of Tibial Plateau Fractures Treated with Nonlocking and Locking Plate Fixations: A Nonrandomized Clinical Trial

Table 2

Postoperative step-off and widening status by fracture systems.

Type of fracture	Locking methods		Nonlocking methods
	Step-off >2 mm	Widening >2 mm	Step-off >2 mm	Widening >2 mm
Schatzker system
Grade I	0 (0.0)*	0 (0.0)*	0 (0.0)	0 (0.0)
Grade II	2 (22.2)	0 (0.0)	5 (45.5)	2 (18.2)
Grade III	1 (100)	1 (100)	1 (50.0)	0 (0.0)
Grade IV	0 (0.0)	0 (0.0)	0 (0.0)	1 (100)
Grade V	1 (33.3)	0 (0.0)	0 (0.0)	1 (100)
Grade VI	0 (0.0)	0 (0.0)	1 (25.0)	0 (0.0)
𝑃 value	0.191	0.682	0.684	0.748
AO system
B1	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
B2	1 (16.7)	0 (0.0)	2 (20.0)	1 (10.0)
B3	1 (20.0)	0 (0.0)	5 (83.3)	2 (3.3)
C1	1 (25.0)	0 (0.0)	0 (0.0)	1 (100)
C2	1 (25.0)	1 (25.0)	0 (0.0)	0 (0.0)
C3	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
𝑃 value	0.981	0.378	0.667	0.164

Data are presented as number (%).
∗Analyses were performed using the chi-square test or Fisher's exact test (all 𝑃 values were more than 0.05).