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Table 3 Univariate and multivariate logistic regression analysis for left ventricular hypertrophy (1 = no LVH; 2 = LVH)

From: Association between sleep quality and cardiovascular damage in pre-dialysis patients with chronic kidney disease

  OR(95% CI) Crude Adjusted Adjusted
P valuea OR(95% CI) P valueb
Age (per 1 year) 1.061 (1.040-1.082) <0.001 - -
Duration of CKD (per 1 month) 0.999 (0.993-1.005) 0.759 - -
Male vs. female 1.525 (0.879-2.645) 0.133 - -
Current smoker (no vs. yes) 0.931 (0.476-1.822) 0.835   
Alcohol intake (no vs. yes) 1.980 (0.780-5.027) 0.151   
BMI (per 1 kg/m2) 0.992 (0.908-1.083) 0.855   
Diabetes (no vs. yes) 1.203 (0.614-2.989) 0.690   
ACEI/ARB (no/yes) 0.768 (0.431-1.368) 0.370   
Proteinuria (per 1 g/24 h) 0.939 (0.815-1.081) 0.381   
Hemoglobin (per 1 g/L) 0.971 (0.960-0.983) <0.001 - -
ALB (per 1 g/L) 1.017 (0.977-1.061) 0.421   
eGFR < 60 ml/min/1.73 m2 8.150 (3.234-20.542) <0.001 3.943 (1.255-12.387) 0.019
Cholesterol (per 1 mmol/L) 0.940 (0.844-1.048) 0.264   
Triglyceride (per 1 mmol/L) 0.930 (0.711-1.217) 0.598   
LDL-C (per 1 mmol/L) 0.936 (0.816-1.047) 0.347   
Calcium (per 1 mg/dL) 0.397 (0.223-0.646) <0.001 - -
Phosphate (per 1 mg/dL) 2.998 (1.500-5.992) 0.002 - -
iPTH (per 1 pg/mL) 1.006 (1.003-1.010) <0.001 1.004 (1.002-1.007) 0.001
Serum uric acid (per 1 umol/L) 1.003 (1.001-1.006) 0.004 - -
PSQI score 1.117 (1.041-1.200) 0.002 1.092 (1.011-1.179) 0.025
BDI-SF score 1.061 (0.012 - 1.111) 0.014 - -
SBP (per 1 mmHg) 1.044 (1.028-1.061) <0.001 1.034 (1.015-1.054) <0.001
DBP (per 1 mmHg) 1.056 (1.032-1.081) <0.001 - -
  1. (aall of the variables were adjusted by age, sex. bThe age, sex, hemoglobin, eGFR, phosphate, serum calcium, Serum uric acid, iPTH, SBP, DBP, BDI -score and PSQI score were included in the multivariate model (backward method). -Without significance and not able to be included in the multivariate model. eGFR: the estimated glomerular filtration rate; iPTH: intact parathyroid hormone, SBP: systolic blood pressure; DBP: diastolic blood pressure; PSQI: Pittsburgh Sleep Quality Index).