Table 1 Demographic characteristics and final ETT size distribution

Age in years

Mean

1.69

3.3

5.13

6.96

9.25

< .0001

95% CI

0.7–2.68

2.76–3.84

4.65–5.61

5.65–8.27

7.84–10.66

Height in cm

Mean

75.13

89.86

105.71

114.71

126.5

< .0001

95% CI

71.73–78.57

86.94–92.78

103.56–107.86

109.54–119.88

124.24–128.76

Weight in kg

Mean

8.47

11.4

14.57

18.63

21.33

< .0001

95% CI

7.54–9.4

10.55–12.25

13.28–15.86

16.33–20.93

20.81–21.85