Low Serum Concentration of Obestatin as a Predictor of Mortality in Maintenance Hemodialysis Patients

Table 2

Crude and adjusted Cox proportional hazard ratios for death in low obestatin (<7.12 ng/mL) group.

Model covariates	HR	95% CI	𝑃
All-cause mortality
(1) Crude	2.23	1.17–4.24	0.015
(2) 1 + age, gender, and DM	1.93	1.01–3.72	0.048
(3) 2 + vintage + CVD + FMI	2.04	1.02–4.07	0.043
Cardiovascular mortality
(1) Crude	4.03	1.27–12.76	0.018
(2) 1 + age, gender, and DM	3.33	1.03–10.75	0.044
(3) 2 + vintage + CVD + FMI	3.20	0.94–10.84	0.062

All covariates included in regression models as continuous except for categorical variables.
Abbreviations: CI: confidence interval; HR: hazard ratio; CVD: cardiovascular disease in the past; DM: diabetes mellitus; and FMI: fat mass index.