Figure 2.

Hazard ratio for mortality, comparing calcitriol uses with nonusers, among subgroups. Results are stratified by site and adjusted for age, gender, race, eGFR, diabetes, coronary heart disease, Charlson comorbidity index; use of angiotensin-converting enzyme inhibitor, angiotensin II receptor blocker, statin, erythropoietin, and oral calcium; body mass index; systolic BP; serum levels of albumin, calcium, PTH, and phosphate; and number of nephrology clinic visits in the previous year (model 3).