Egyptian Rheumatology and Rehabilitation

Table 5 Regression analysis; pain by VAS is the dependent variable; and BMI, Anxiety, and FMI are the independent variables

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

Analysis	β (95% CI)	p	r²× 100%
1-BMI	0.12 (0.02–0.2)	0.013*	12%
2-Anxiety	0.13 (0.03–0.2)	0.014*	10%
3-BMI Anxiety	0.09 (0.01–0.18) 0.12 (0.01–0.2)	0.03* 0.03*	9% 9%
4-FMI	0.17 (0.03–0.3)	0.012*	12%
5-FMI Anxiety	0.13 (0.001–0.3) 0.11 (0.002–0.2)	0.05* 0.05*	7% 7%

All analyses adjusted for age, and gender, and analysis 3 and 5 were done with more adjustment with anxiety. β regression coefficient, CI confidence interval, r² squared partial correlation coefficient, BMI body mass index, FMI fat mass index
^*for statistically significant at p value ≤ 0.05

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