Table 6.

Change in the MCS score with age category (adjustment for comorbidities)

Parameter	Coefficient (95% CI)	p value
Age category
60–69 y.o.	[Reference]
70–79 y.o.	−1.2 (–2.3 to −0.1)	0.03
≥80 y.o.	−3.8 (–6.0 to −1.5)	0.001
Years from study entry	−0.5 (–1.2 to 0.1)	0.1
Baseline MCS score	0.5 (0.4 to 0.5)	<0.001
Gender, male	2.0 (0.9 to 3.1)	<0.001
Dialysis vintage, year	0.02 (–0.1 to 0.1)	0.7
Coronary artery disease	−0.9 (–2.1 to 0.3)	0.1
Cancer other than skin	−0.7 (–2.3 to 0.9)	0.4
Cerebrovascular disease	−0.4 (–1.9 to 1.1)	0.6
Other cardiovascular diseases	0.8 (–0.3 to 1.9)	0.1
Congestive heart failure	0.0 (–1.5 to 1.4)	0.9
Diabetes mellitus	−1.1 (–2.2 to 0.1)	0.06
Hypertension	1.0 (–0.4 to 2.3)	0.2
COPD	−1.4 (–5.9 to 3.1)	0.5
Dementia	−14.6 (–23.4 to −5.8)	0.001
Mild cognitive impairment	1.6 (–3.9 to 7.2)	0.6
Psychiatric disorder	−2.8 (–5.0 to −0.6)	0.01
Peripheral vascular disease	−1.6 (–3.2 to −0.1)	0.04
Intercept	23.1 (19.7 to 26.5)	<0.001
Intraclass correlation	0.36 (0.27 to 0.47)	−

CI, confidence interval; y.o., years old; COPD, chronic obstructive pulmonary disease; MCS, mental component summary.