Table 3 Reference range of eGFR by CKD-EPI, FAS, and Xiangya equations according to age and gender

18–29

95.28–135.22

106.08–140.30

84.42–137.05

87.60–156.92

83.61–109.75

84.25–115.70

30–39

90.79–128.51

101.18–132.21

85.03–137.28

89.97–153.69

78.82–103.32

79.66–107.55

40–49

85.20–120.55

92.81–123.16

79.95–133.77

82.61–145.38

74.24–97.54

74.17–99.83

50–59

79.12–113.10

82.65–115.92

71.17–119.38

70.83–126.96

70.63–92.91

69.14–93.98

60–69

72.35–107.09

73.42–108.97

60.33–109.81

59.91–111.73

66.53–90.69

64.80–89.64

≥ 70

61.39–99.86

63.24–102.68

47.52–95.95

46.58–100.86

61.68–86.92

59.68–87.38