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Table 1 Patients’ characteristics

From: Spot urine protein/creatinine ratio as a reliable estimate of 24-hour proteinuria in patients with immunoglobulin A nephropathy, but not membranous nephropathy

  All cases
N = 161
IgAN
N = 84
MCD
N = 53
MGN-NS N = 24 P values (by ANOVA)
Age, years 44.9 ± 18.9 40.0 ± 15.9 43.5 ± 20.3 65.0 ± 10.8 < 0.001
Male, n (%) 91 (56.5) 43 (51.2) 31 (58.5) 17 (70.8) 0.217
Creatinine, mg/dL 1.10 ± 0.87 0.95 ± 0.40 1.32 ± 1.30 1.11 ± 0.84 0.051
eGFR, mL/min/1,73 m2 69.8 ± 27.6 72.2 ± 24.9 69.1 ± 32.5 62.7 ± 24.5 0.326
Spot urinary protein, mg/dL 749 ± 1148 129 ± 152 1506 ± 1315 1249 ± 1483 < 0.001
Spot urinary creatinine, mg/dL 151 ± 125 115 ± 93 207 ± 155 153 ± 110 < 0.001
24-h urinary creatinine, g/day 1.17 ± 0.47 1.23 ± 0.4 1.16 ± 0.49 1.00 ± 0.29 0.1
24-h urinary protein, mg/dL 466 ± 704 84 ± 92 1028 ± 867 560 ± 668 < 0.001
Daily urinary protein, g/day 4.32 ± 4.51 1.22 ± 1.24 8.44 ± 4.88 6.00 ± 2.29 < 0.001
24-h urine volume, mL/day 1502 ± 769 1655 ± 711 1242 ± 809 1537 ± 750 0.008
  1. Data are expressed as means ± standard deviation or numbers (%). IgAN denotes immunoglobulin A nephropathy, MCD minimal change disease, MGN-NS Membranous glomerulonephritis with nephrotic syndrome, ANOVA analysis of variance, eGFR estimated glomerular filtration rate