The effect of BMI on the mid-term clinical outcomes of mobile-bearing unicompartmental knee arthroplasty

Table 7 Survival rate of the implant in four groups

BMI group	N knees	Number of revision	Survival rate
< 23	64	0	100%
23- < 25	81	4	95.06%
25- < 30	172	9	94.77%
≥30	56	4	92.86%
Entire cohort	373	17	95.44%
At the last follow-up	χ² = 4.124	P = 0.248
Survival curve comparison		P = 0.593

ISSN: 1471-2474