Quality of life and mortality from a nephrologist's view: a prospective observational study

BMC Nephrology

Table 2 Hazard ratios for all-cause mortality according to SF36 scores (n = 944)

	Model 1^a		Model 2^b
SF36 survey	HR (95% CI)	Pvalue	HR (95% CI)	Pvalue
10-unit increase in SF36 components
Physical functioning	0.78 (0.72--0.83)	<0.001	0.81 (0.75--0.89)	<0.001
Role---physical	0.85 (0.81--0.90)	<0.001	0.90 (0.85--0.96)	0.001
Bodily pain	0.90 (0.85--0.96)	0.002	0.92 (0.86--0.99)	0.020
General health	0.93 (0.85--1.02)	0.123	0.90 (0.82--1.00)	0.052
Vitality	0.85 (0.77--0.93)	<0.001	0.88 (0.79--0.98)	0.018
Social functioning	0.83 (0.78--0.90)	<0.001	0.87 (0.81--0.93)	<0.001
Role---emotional	0.84 (0.80--0.89)	<0.001	0.88 (0.83--0.93)	<0.001
Mental health	0.85 (0.78--0.93)	0.001	0.83 (0.75--0.91)	<0.001
Physical component summary score
Tertile 1 (<49.4)	1 (Reference)		1 (Reference)
Tertile 2 (49.4--61.7)	0.46 (0.30--0.72)	0.001	0.54 (0.33--0.87)	0.011
Tertile 3 (>61.7)	0.25 (0.14--0.43)	<0.001	0.35 (0.19--0.64)	0.001
Mental component summary score
Tertile 1 (<49.0)	1 (Reference)		1 (Reference)
Tertile 2 (49.0--57.0)	0.68 (0.44--1.05)	0.082	0.63 (0.40--1.01)	0.055
Tertile 3 (>57.0)	0.36 (0.21--0.61)	<0.001	0.39 (0.22--0.70)	0.001

^a Unadjusted model.
^bModel adjusted for age, gender, ever-smoking, proteinuria, serum levels of hemoglobin, total protein, albumin, cholesterol, HDL cholesterol, and estimated GFR.
Abbreviations: SF36: 36-item Short-Form health survey; HR: hazard ratio; CI: confidence interval.

ISSN: 1471-2369