Table 6.

Predictors of RRF, physical composite and MoCA scores

Variable	B	Beta	95% CI	P
Residual kidney function (ml/min/1.73m2)
Constant	0.69		(−1.47, 2.527)	0.456
Age (year)	−6.631	−0.001	(−0.012, 0.011)	0.99
Gender:
Male	Reference
Female	0.013	0.008	(−0.347, 0.373)	0.943
Diabetes mellitus	−0.139	−0.061	(− 0.659, 0.382)	0.596
Hypertension	0.128	0.062	(−0.347, 0.602)	0.593
HD duration (year)	−0.065	−0.295	(− 0.12, − 0.009)	0.024
HCV:
Positive	Reference
Negative	0.063	0.034	(−0.432, 0.558)	0.799
Physical composite score
Constant	63.715		(49.407, 78.022)	< 0.001
Age (year)	−0.424	−.0646	(−0.538, −.31)	< 0.001
Gender:				0.095
Male	Reference	Reference	Reference
Female	−3.206	−0.147	(−6.988, 0.576)
Diabetes mellitus	−0.535	−0.019	(−5.53, 4.459)	0.831
Hypertension	1.274	0.040	(−4.207, 6.755)	0.644
RKF (ml/min/1.73m2)	2.337	0.165	(−0.15, 4.823)	0.065
HD duration (year)	−0.472	−0.153	(−1.029, 0.086)	0.096
MoCA Score
Constant	33.556		(28.342, 38.769)	< 0.001
Age (year)	−0.14	−0.61	(−0.182, − 0.098)	< 0.001
Gender:				0.358
Male	Reference	Reference	Reference
Female	−0.631	−0.083	(−1.989, 0.727)
Diabetes mellitus	−0.078	−0.008	(−1.891, 1.735)	0.932
Hypertension	−0.901	−0.08	(−2.898, 1.096)	0.371
RKF (ml/min/1.73m2)	1.468	0.297	(0.603, 2.334)	0.001

Abbreviation: HD Hemodialysis, HCV Hepatitis C Virus, MoCA Montreal Cognitive Assessment, RKF Residual Kidney Function