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Table 3 Comparison of clinical, birth-related and glomerular histomorphometric characteristics between normal controls and IgAN controls

From: Low birth weight associates with glomerular area in young male IgA nephropathy patients

 

Normal controls

IgAN controls

 

Not LBW or SGA

Not LBW or SGA

p-value

N

19

18

 

N (%) Male

10 (52.6)

8 (44.4)

1.0

Age at Biopsy (years)

21.8 ± 8.6

22.8 ± 9.0

0.7

Systolic BP (mmHg)

114.7 ± 15.6

124.4 ± 22.9

0.1

Diastolic BP (mmHg)

71.3 ± 13.8

76.6 ± 13.2

0.2

eGFR (ml/min/1.73m2)

92.5 ± 28.4

94.8 ± 27.3

0.8

Urinary protein (g/d)

0.32 ± 0.28

1.8 ± 1.7a

0.002

Birth Weight (kg)

3.7 ± 0.5

3.6 ± 0.5

0.4

Gestational age (week)

39.9 ± 1.4

40.3 ± 1.1

0.3

Birth weight for gestational age (Z-score)

0.25 ± 0.99

−0.18 ± 1.04

0.2

Glomerular tuft volume (μm3 ×106) c

1.97 ± 0.77

2.37 ± 0.82

0.1

Glomerular tuft area (μm2)

12,522 ± 3410

14,036 ± 3502

0.1

Glomerular tuft diameter (μm) c

125.0 ± 18.2

132.7 ± 16.8

0.2

Glomerular Density (N per 106 μm2)

3.29 ± 1.40

2.96 ± 0.85

0.4

  1. a Glomerular tuft volume and glomerular tuft diameter was calculated based on the measured glomerular tuft area (as described in detail in the methods section)