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Table 2 All-cause mortality associated with quintiles of serum uric acid in unadjusted and multivariable-adjusted Cox models

From: High serum uric acid level is a mortality risk factor in peritoneal dialysis patients: a retrospective cohort study

Variants Event Unadjusted Model 1 P value Multivariable adjusted Model 2 P value Multivariable adjusted Model 3 P value
Quintile of uric acid level (mg/dL) 1226/9405 (13.0)       
Q1(< 6.06) 334/1865 (17.9) 1.888 (1.577–2.259) < 0.001 1.434 (1.181–1.742) < 0.001 1.162 (0.945–1.427) 0.154
Q2(6.06–6.67) 245/1877 (13.1) 1.278 (1.056–1.547) 0.012 1.180 (0.962–1.447) 0.112 1.160 (0.938–1.434) 0.172
Q3 (6.68–7.27) 185/1892 (9.8) Reference   Reference   Reference  
Q4 (7.28–8.03) 226/1878 (12.0) 1.341 (1.104–1.628) < 0.001 1.253 (1.015–1.547) 0.036 1.335 (1.073–1.662) 0.009
Q5 (≥8.04) 236/1893 (12.5) 1.595 (1.316–1.934) 0.048 1.481 (1.200–1.828) < 0.001 1.482 (1.187–1.849) 0.001
  1. Note: Reference group is Q3 group (6.68–7.27 mg/dL). Values are presented as number (%) of events or hazard ratio (95% confidence interval). Q, quintile
  2. Model 1 are unadjusted. Model 2 are adjusted for the factors of age, sex, body mass index. Model 3 are adjusted for the factors of model 1 covariates and diabetes mellitus, cardiovascular disease, residual renal function, hemoglobin, serum albumin, serum potassium, serum natrium, serum phosphorus, serum calcium, serum parathyroid hormone, serum creatinine, and fasting plasma glucose