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. 2021 Oct 16;37(5):1075–1085. doi: 10.1007/s00467-021-05303-5

Table 1.

Characteristics of the patient group

Age (years) Number of patients Weight [kg] Body length/height [cm] BSA [m2] BMI [kg/m2] BMI z-score eGFR [mL/min/ 1.73m2] Number of patients with BMI z-score > 1.65
0–1

213

(55% boys)

6.9 (5.2;8.5) 66 (60;71) 0.36 (0.3;0.42) 15.5 (14.1;17.0)

 − 0.73

(− 1.67;0.24)

122.2

(103.3;140.4)

12 (6%)
1–2

101

(51% boys)

11.1 (10;12) 82 (79;86) 0.51 (0.3;0.42) 16.02 (15.1;17.3)

0.02

(− 0.72;0.82)

118.4

(110.1;152.8)

9 (9%)
2–3

70

(47% boys)

13 (12;14) 91 (88.3;97.8) 0.58 (0.55;0.61) 15.8 (14.8;17.3)

0.09

(− 0.74;1.15)

123.9

(116.0;140.4)

10 (14%)
3–4

77

(44% boys)

15.4 (14;17) 100.5 (97;104) 0.66 (0.62;0.70) 15.5 (14.6;16)

0.03

(− 0.57;0.5)

120.5

(103.3;138.5)

5 (6%)
4–5

71

(58% boys)

18 (16.9;19.5) 110 (106.5;112) 0.73 (0.71;0.78) 15.04 (14.0;16.05)

 − 0.15

(− 0.97;0.58)

114.6

(109.7;143.5)

6 (8%)
5–6

81

(57% boys)

20.2 (20;25) 116 (111;119) 0.81 (0.75;0.87) 15.54 (14.4;17.0)

0.21

(− 0.74;1.08)

118.8

(100.8;137.0)

10 (12%)
6–7

73

(49% boys)

22 (20;25) 122 (118;128) 0.86 (0.81;0.94) 14.9 (13.9;16.4)

 − 0.31

(− 1.26;0.69)

123.0

(102.2;122.9)

6 (8%)
7–8

115

(49% boys)

25 (22.7;30.3) 126 (122;130) 0.93 (0.87;1.04) 16.1 (14.8;17.8)

0.28

(− 0.58;1.2)

122.4

(93.5;142.0)

16 (14%)
8–9

84

(55% boys)

28.6 (26;32.1) 134 (130;138) 1.03 (0.96;1.1) 16.3 (15;18)

0.21

(− 0.63;1.05)

109.0

(90.4;130.3)

12 (14%)
9–10

83

(49% boys)

32 (28;37.5) 140 (135.8;143) 1.11 (1.01;1.23) 16.4 (14.9;18.7)

0.08

(− 0.81;1.17)

101.5

(85.5;124.0)

13 (16%)
10–11

102

(60% boys)

36 (30.5;43.4) 144.5 (139;148) 1.20 (1.08;1.35) 17.4 (15.7;20.2)

0.25

(− 0.64;1.3)

104.1

(89.7;123.7)

21 (21%)
11–12

112

(45% boys)

46.5 (37.8;54.2) 152 (147;158) 1.42 (1.24;1.54) 19.6 (16.9;22.8)

0.85

(− 0.33;1.78)

109.9

(86.7;135.4)

33 (29%)
12–13

108

(53% boys)

49.8 (41.8;59.2) 158.5 (152.9;164.6) 1.47 (1.34;1.64) 19.4 (17.3;23.1)

0.43

(− 0.28;1.67)

109.4

(91.5;122.8)

29 (27%)
13–14

96

(49% boys)

50.5 (45;57) 163 (155.5;169) 1.52 (1.40;1.63) 19.5 (17.8;21.5)

0.11

(− 0.47;0.84)

111.3

(92.2;137.8)

8 (8%)
14–15

76

(41% boys)

55 (50;60) 167.8 (162.8;173) 1.60 (1.51;1.68) 19.9 (18.21.7)

0.07

(− 0.7;0.64)

108.0

(93.3;132.5)

8 (11%)
15–16

73

(49% boys)

60 (50.8;67) 170 (163.5;177.7) 1.68 (1.59;1.78) 20.1 (18.6;22.3)

 − 0.08

(− 0.78;0.66)

106.5

(95.0;121.2)

6 (8%)
16–17

70

(34% boys)

60.9 (54;68) 167.3 (163;173.4) 1.69 (1.58;1.78) 21 (19.9;23)

0.01

(− 0.38;0.71)

106.2

(95.7;117.2)

3 (4%)
17–18

91

(38% boys)

63 (55.3;74) 171 (164; 179) 1.76 (1.59;1.90) 21.5 (19.5;23.7)

0.09

(− 0.67;0.7)

100.0

(93.0;115.8)

10 (11%)
18–19

62

(40% boys)

66.2 (57.1;78) 169.3 (163.1;178) 1.75 (1.63;1.97) 22.8 (20.4;25.5)

0.4

(− 0.31;1.1)

100.8

(87.2;106.6)

8 (13%)