Table 2 Demographic, clinical and laboratory parameters in primary glomerulonephritis

Age (years, %)

0.012¹

 18-35

57.7

40.5

20.7

30.4

51.3

50

 36-50

19.2

27.6

24.1

26.1

26.3

33.3

 51-65

19.2

25

37.9

21.6

17.1

8.3

  > 65

3.8

6.9

17.2

21.8

5.3

8.3

Sex (%)

0.03

 Female

73.1

39.7

50

56.5

31.6

58.3

 Male

26.9

60.3

50

43.5

68.4

41.7

Ethnicity (%)

0.647

 Caucasian

80.8

89.7

91.4

95.7

93.4

91.7

 Afro-descendant

19.2

9.5

8.6

4.3

5.3

8.3

 Amerindian

0

0.9

0

0

1.3

0

DM (%)

10

9.7

14.7

6.7

11.3

0

0.960

SAH (%)

63.6

84.2

94.1

93.3

81.5

83.3

0.173

Weight

72 ± 12

73 ± 15

73 ± 19

79 ± 10

78 ± 15

65 ± 10

0.395²

Serum creatinine

0.8 (0.5-1.5)

1.5 (1.0-2.0)

0.9 (0.8-1.3)

2.0 (1.2-3.1)

1.7 (1.1-2.2)

1,1 (0.7-2.3)

< 0,001³

eGFR

101 (46-124)

56 (34-90)

72 (46-103)

38 (18-60)

47 (31-81)

66 (37-109)

0.001

Proteinuria

7.7 (5.6-8.8)

4.6 (2.3-7.3)

7.0 (4.3-9.9)

7.8 (2.4-9.7)

1.9 (1.1-3.7)

1.6 (0.7-2.6)

< 0.001

Serum albumin

2.1 ± 0.9

2.9 ± 0.9

2.5 ± 0.7

2.5 ± 0.7

3.8 ± 0.7

3.8 ± 0.6

< 0.001

Total Cholesterol

421 (321-522)

257 (187-392)

282 (199-344)

236 (194-317)

198 (155-233)

180 (160-225)

< 0.001

Triglycerides

221 (179-279)

179 (117-277)

194 (134-284)

235 (139-339)

130 (99-219)

176 (80-191)

0.006

C3^a

143 ± 34.5

126 ± 31.3

134 ± 27.4

99 ± 43.3

114 ± 29

114 ± 33.3

< 0.001

C4^b

38.8 ± 13.9

34.5 ± 12.5

34.8 ± 14.6

29.2 ± 20.2

30.5 ± 11.7

28 ± 12

0.266

Anti-HIV (N,%)^c

1(6.7)

0

1(2.6)

0

1(1.9)

0

0.413

Anti-HCV (N,%)^d

1(6.7)

1(1,2)

1(2,6)

0

4(7,3)

0

0.370

HbsAg (N,%)^e

0

0

0

0

4(7.3)

1(12.5)

0.022