Skip to main content

Table 3 Correlation between serum TNF-α and clinical parameters of patients with IgA nephropathy

From: Serum levels of tumor necrosis factor alpha in patients with IgA nephropathy are closely associated with disease severity

Variable Bivariate Regression Coefficient Bivariate
P Value a
Multivariate Regression Coefficient Multivariate P Value b
Sex   0.02 c   
Systolic BP 0.30 < 0.0001   
Diastolic BP 0.19 0.02   
24-h urine protein excretion 0.22 0.007 0.33 0.04
Urinary protein to serum creatinine ratio 0.26 0.002 0.33 0.03
Serum creatinine 0.49 < 0.0001 0.46 < 0.0001
Cystatin C 0.51 < 0.0001 0.59 < 0.0001
eGFR d −0.47 < 0.0001 0.49 < 0.0001
  1. BP: blood pressure; 1 mmHg = 0.133Kpa; eGFR: estimated glomerular filtration rate
  2. aSpearman's correlation analysis unless otherwise specified
  3. bMultiple linear regression adjusted for sex, Systolic BP and Diastolic BP
  4. cMann–Whitney U-test
  5. deGFR was calculated according to the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation [19]