Table 2 Gender differences of adjusted eGFR^† (mL·min^-1·1.73 m^-2, mean ± standard error) in each age group in healthy, at-risk, and CKD groups

18-30 years

Creatinine

83.94 ± 0.59*

64.41 ± 0.32

84.70 ± 0.66*

64.55 ± 0.70

86.72 ± 7.17*

66.61 ± 1.69

eGFR

109.13 ± 1.03*

118.89 ± 0.76

107.63 ± 1.27*

117.87 ± 1.63

111.38 ± 4.70

116.48 ± 3.30

adj-eGFR

107.83 ± 1.07*

119.56 ± 0.75

107.59 ± 1.22*

117.94 ± 1.81

108.39 ± 4.13

118.52 ± 3.34

N

384

729

328

162

47

69

30-40 years

Creatinine

81.79 ± 0.63*

65.47 ± 0.28

84.76 ± 0.51*

66.29 ± 0.41

87.96 ± 1.57*

68.45 ± 1.41

eGFR

105.13 ± 1.04*

109.00 ± 0.57

100.89 ± 0.97*

107.14 ± 0.86

104.27 ± 2.41

106.62 ± 2.35

adj-eGFR

104.50 ± 1.08*

109.22 ± 0.58

101.42 ± 0.93*

106.62 ± 0.97

106.25 ± 2.73

105.11 ± 2.27

N

344

1077

556

514

90

126

40-50 years

Creatinine

82.84 ± 0.61*

65.89 ± 0.30

84.82 ± 0.35*

66.45 ± 0.27

88.83 ± 1.97*

72.87 ± 1.50

eGFR

98.48 ± 0.94*

103.93 ± 0.61

95.82 ± 0.54*

102.65 ± 0.54

93.69 ± 1.64

96.38 ± 1.57

adj-eGFR

98.66 ± 1.09*

103.88 ± 0.58

96.13 ± 0.58*

102.42 ± 0.52

94.85 ± 1.83

95.56 ± 1.52

N

310

1026

1053

1308

175

248

50-60 years

Creatinine

84.13 ± 0.79*

68.20 ± 0.51

86.19 ± 0.39*

68.85 ± 0.28

92.02 ± 1.91*

76.72 ± 2.06

eGFR

93.47 ± 1.15*

96.31 ± 0.95

90.91 ± 0.57*

94.94 ± 0.49

87.49 ± 1.74

90.32 ± 1.86

adj-eGFR

93.26 ± 1.29*

96.42 ± 0.92

90.89 ± 0.60*

94.95 ± 0.49

88.21 ± 1.92

89.71 ± 0.75

N

184

340

845

1212

170

204

60-70 years

Creatinine

83.57 ± 1.37*

70.74 ± 1.28

87.53 ± 0.61*

70.14 ± 0.41

101.27 ± 3.22*

85.45 ± 4.76

eGFR

91.14 ± 1.87

88.76 ± 2.08

86.13 ± 0.78*

89.83 ± 0.70

76.30 ± 2.26

80.74 ± 2.45

adj-eGFR

91.20 ± 2.02

88.70 ± 2.08

86.03 ± 0.88*

89.76 ± 0.67

75.54 ± 2.43

81.63 ± 2.19

N

62

59

351

580

100

125

70-years

Creatinine

84.92 ± 2.42*

72.16 ± 1.77

88.77 ± 0.79*

72.72 ± 0.55

109.46 ± 2.99*

86.89 ± 1.95

eGFR

87.46 ± 3.11

84.33 ± 2.66

82.48 ± 0.95

83.75 ± 0.85

67.07 ± 1.94

71.39 ± 2.14

adj-eGFR

90.17 ± 3.10

81.62 ± 3.10

82.69 ± 1.06

83.50 ± 0.84

65.82 ± 2.30

71.83 ± 1.97

N

27

27

205

320

94

125