Associations of dynapenic abdominal obesity and its components with cognitive impairment among hemodialysis patients

Table 4 Analysis of the threshold effects of waist circumference, hand grip strength, and MMSE scores

Outcome variable	MUS (waist circumference, cm)		MUS (handgrip strength, kg)
Outcome variable	β (95%CI)	p-value	β(95%CI)	p-value
Model 1: Linear regression	0.055(0.008–0.030)	0.001	0.115(0.079–0.151)	< 0.001
Model 2: Piecewise linear regression
Inflection point K	101		23.29
< K	0.025(0.011–0.039)	< 0.001	0.115 (0.079–0.151)	< 0.001
≥K	0.006(-0.099–0.111)	0.912	0.016 (-0.009–0.04)	0.205
Log likelihood ratio tests		0.896		< 0.001

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