. Author manuscript; available in PMC: 2014 Jul 1.

Published in final edited form as: J Ren Nutr. 2013 Jul 19;23(6):422–427. doi: 10.1053/j.jrn.2013.05.003

Table 2.

Correlates of Mortality and Time to Hospitalization

Hazard Ratio	Mortality (95% CI)	Time to Hospitalization (95% CI)
Lowest tertile of 25-OH vitamin D^*	1.75 (1.03–2.97)	1.76 (1.24–2.49)
Middle tertile of 25-OH vitamin D^*	1.55 (0.86–2.80)	1.29 (0.88–1.91)
Age (per 10 y)	1.49 (1.26–1.77)	1.22 (1.09–1.37)
Female gender	1.19 (0.78–1.83)	1.21 (0.89–1.64)
Non-white race/ethnicity	0.47 (0.25–0.86)	0.87 (0.64–1.19)
Body mass index (per kg/m²)	0.99 (0.96–1.02)	0.99 (0.97–1.02)
Diabetes	1.21 (0.78–1.86)	1.26 (0.93–1.72)
Peritoneal dialysis	0.92 (0.48–1.78)	0.95 (0.60–1.50)

CI, confidence interval; 25-OH vitamin D, 25-hydroxy vitamin D.

The presented results have been adjusted for correlation within facility.

Reference category was the highest tertile (i.e., 25-OH vitamin D concentrations >15.5 ng/mL).