The interplay of body composition, pain intensity, and psychological status in Egyptian patients with knee osteoarthritis

Egyptian Rheumatology and Rehabilitation

Table 2 Correlation between pain with body composition

		BMI	TBF%	VFI	TBW%	SM%	BMC	BMR	FM	FMI	FFM	FFMI	FAT/SM
VAS	r	0.4	0.3	0.1	− 0.28	− 0.10	0.06	0.05	0.3	0.3	0.1	0.2	0.14
VAS	p	0.01*	0.05*	0.5	0.04*	0.4	0.7	0.7	0.04*	0.01*	0.7	0.1	0.4
WOMAC (pain subscale)	r	0.2	0.27	0.2	− 0.24	− 0.08	0.08	0.08	0.3	0.3	0.1	0.13	0.2
WOMAC (pain subscale)	p	0.05*	0.05*	0.2	0.08	0.5	0.5	0.5	0.02*	0.05*	0.6	0.4	0.2
WOMAC (Total)	r	0.3	0.3	0.2	− 0.3	− 0.2	0.03	0.03	0.4	0.4	0.04	0.16	0.35
WOMAC (Total)	p	0.02*	0.01*	0.06	0.017*	.149	.805	.812	0.006*	0.004*	0.8	0.2	0.014*

VAS visual analog scale, WOMAC Western Ontario and McMaster Universities Arthritis Index, BMI body mass index, TBF total body fat, VFI visceral fat index, TBW total body water, SM skeletal muscle, BMC bone mineral content, FM fat mass, FMI fat mass index, FFM fat-free mass, FFMI fat-free mass index
r for Pearson correlation coefficient
^*for statistically significant at p value ≤ 0.05 (2-tailed)