Prevalence and associations of sarcopenia, obesity and sarcopenic obesity in end-stage knee osteoarthritis patients

Table 5 Prevalence of obesity by diagnostic criteria

	Unilateral KOA	Bilateral KOA	X²	p
Obesity by BMI^#
Total, n (%)	10.45% (7/67)	7.04% (5/71)	0.5035	0.4780
Female, n (%)	11.11% (6/54)	7.41% (4/54)	0.4408	0.5067
Male, n (%)	7.69% (1/13)	5.88% (1/17)	0.0387	0.8439
Obesity by waist cir.^#
Total, n (%)	74.63% (50/67)	67.61% (48/71)	0.8256	0.3636
Female, n (%)	79.63% (43/54)	75.93% (41/54)	0.2143	0.6434
Male, n (%)	53.85% (7/13)	41.18% (7/17)	0.4751	0.4906
Obesity by PBF^#
Total, n (%)	65.67% (44/67)	70.42% (50/71)	0.3582	0.5495
Female, n (%)	66.67% (36/54)	70.37% (38/54)	0.1717	0.6786
Male, n (%)	61.54% (8/13)	70.59% (12/17)	0.2715	0.6023

Italic values indicates p values, the values with *indicates statistic significance, and *indicates p < 0.05, **indicates p < 0.01,***indicates p < 0.001, ****indicates p < 0.0001
BMI body mass index, Waist Cir. waist circumference, PBF percent body fat
^#Cut-off criteria for females, males, respectively: Obesity by BMI, kg/m² (> 30, > 30), Obesity by Waist Cir., cm (> 80, > 85), Obesity by PBF, % (≥ 35, ≥ 25)

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