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Table 1 Participant characteristics by study

From: APOL1 G1 genotype modifies the association between HDLC and kidney function in African Americans

Ā 

HUFS

NHAAN

ARIC

Ā 

Men

Women

Men

Women

Men

Women

N

486

763

220

347

690

1086

Age (yrs)

42.3ā€‰Ā±ā€‰12.8

41.7ā€‰Ā±ā€‰13.1

46.4ā€‰Ā±ā€‰13.7

44.9ā€‰Ā±ā€‰13.1

53.1ā€‰Ā±ā€‰5.9

52.3ā€‰Ā±ā€‰5.5

BMI (kg/m2)

28.7ā€‰Ā±ā€‰7.6

31.4ā€‰Ā±ā€‰8.9

29.3ā€‰Ā±ā€‰7.2

33.2ā€‰Ā±ā€‰9.0

27.3ā€‰Ā±ā€‰4.7

30.1ā€‰Ā±ā€‰6.3

African Ancestry (%)

79.9ā€‰Ā±ā€‰11.2

79.0ā€‰Ā±ā€‰11.6

79.5ā€‰Ā±ā€‰11.1

80.4ā€‰Ā±ā€‰9.8

83.0ā€‰Ā±ā€‰11.0

83.0ā€‰Ā±ā€‰10.9

rs73885319 GG (%)

21 (4.3 %)

31 (4.1 %)

25 (11.4 %)

34 (9.8 %)

9 (1.3 %)

27 (2.5 %)

HDLC (mg/dl)

50.5ā€‰Ā±ā€‰14.9

54.7ā€‰Ā±ā€‰14.9

48.1ā€‰Ā±ā€‰15.3

53.1ā€‰Ā±ā€‰16.8

51.6ā€‰Ā±ā€‰17.4

58.7ā€‰Ā±ā€‰17.1

rs71785313 āˆ’/āˆ’ (%)

10 (2.1 %)

18 (2.4 %)

6 (2.7 %)

11 (3.2 %)

--

--

2 APOL1 risk alleles (%)1

60 (12.5 %)

89 (12.1 %)

46 (20.9 %)

89 (25.7 %)

--

--

eGFR (ml/min/1.73Ā m2)

106.8ā€‰Ā±ā€‰18.8

107.7ā€‰Ā±ā€‰20.9

98.6ā€‰Ā±ā€‰20.9

100.9ā€‰Ā±ā€‰21.4

78.2ā€‰Ā±ā€‰12.0

78.0ā€‰Ā±ā€‰11.9

  1. 1Individuals with either rs73885319 GG or rs71785313 āˆ’/āˆ’ or heterozygous for both rs73885319 and rs71785313 (no individuals were homozygous for both rs73885319 GG and rs71785313 āˆ’/āˆ’)