Outcomes of mobile bearing unicompartmental knee arthroplasty in medial osteoarthritis knee with and without preoperative genu recurvatum

Table 3 Incidence of postoperative genu recurvatum and postoperative hyperextension angle

Variable	Group I (patients with preoperative genu recurvatum),n = 32 knees	Group II (patients without preoperative genu recurvatum),n = 144 knees	P-value
Incidence of postoperative genu recurvatum (%)	3.13 (1/32)	0.69 (1/144)	0.34
Hyperextension angle (°)	2.40 ± 2.19 (1-7))	1.57 ± 3.51 (1-6)	0.65