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Table 2 Cross-sectional Correlation Analyses between serum calcium level and the presence of RI in different models

From: Association of serum calcium levels with renal impairment and all-cause death in Chinese patients with newly diagnosed multiple myeloma: a cross-sectional, longitudinal study

Variable The occurrence of RI
Crude model (HR, 95%CI, P) Minimally adjusted model(HR, 95%CI, P) Fully adjusted model (HR, 95%CI, P)
Serum calcium level(mmol/l) 3.0 (1.9, 5.0) < 0.001 3.0 (1.8, 4.9) < 0.001 3.6 (1.8, 7.1) < 0.001
Mean serum calcium(mmol/l)
  < 2.45 1.0 1.0 1.0
  > =2.45 1.7 (1.2, 2.5) 0.004 1.7 (1.2, 2.5) 0.005 1.8 (1.1, 3.1) 0.016
  1. Nonadjusted model adjust for: None Adjust I model adjust for: age; sex.; hypertension history; diabetes history
  2. Adjust II model adjust for: age; sex; hypertension history; diabetes history, LDH, HB, serum globulin and ISS-stage, serum albumin, serum/urinary kappa light chain, serum/urinary lambda light chain and serum beta 2 microglobulin