Table 8 Percentile reference values of birth PI (in kg/m3) for Chinese newborn infants aged 24–42 weeks.
From: Construction of China national newborn growth standards based on a large low-risk sample
GA (weeks) | Male | Female | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P3 | P10 | P25 | P50 | P75 | P90 | P97 | P3 | P10 | P25 | P50 | P75 | P90 | P97 | |
24 | 16.3 | 18.0 | 19.8 | 21.9 | 24.2 | 26.5 | 29.2 | 15.6 | 17.3 | 19.1 | 21.2 | 23.5 | 25.8 | 28.3 |
25 | 16.4 | 18.1 | 19.9 | 22.0 | 24.2 | 26.6 | 29.3 | 15.8 | 17.5 | 19.3 | 21.4 | 23.7 | 25.9 | 28.4 |
26 | 16.5 | 18.2 | 20.0 | 22.1 | 24.3 | 26.6 | 29.3 | 16.1 | 17.8 | 19.5 | 21.6 | 23.8 | 26.0 | 28.5 |
27 | 16.7 | 18.4 | 20.2 | 22.2 | 24.4 | 26.7 | 29.3 | 16.3 | 18.0 | 19.7 | 21.8 | 24.0 | 26.2 | 28.6 |
28 | 16.9 | 18.6 | 20.3 | 22.4 | 24.5 | 26.8 | 29.3 | 16.6 | 18.2 | 20.0 | 22.0 | 24.2 | 26.4 | 28.8 |
29 | 17.2 | 18.9 | 20.6 | 22.5 | 24.7 | 26.9 | 29.4 | 16.9 | 18.5 | 20.2 | 22.2 | 24.4 | 26.5 | 28.9 |
30 | 17.5 | 19.1 | 20.8 | 22.7 | 24.8 | 27.0 | 29.4 | 17.2 | 18.8 | 20.5 | 22.5 | 24.6 | 26.7 | 29.1 |
31 | 17.8 | 19.4 | 21.1 | 23.0 | 25.0 | 27.1 | 29.5 | 17.6 | 19.2 | 20.8 | 22.8 | 24.9 | 26.9 | 29.3 |
32 | 18.2 | 19.8 | 21.4 | 23.3 | 25.2 | 27.2 | 29.5 | 18.0 | 19.6 | 21.2 | 23.1 | 25.1 | 27.2 | 29.5 |
33 | 18.7 | 20.2 | 21.8 | 23.6 | 25.5 | 27.4 | 29.6 | 18.5 | 20.0 | 21.6 | 23.5 | 25.4 | 27.4 | 29.6 |
34 | 19.2 | 20.7 | 22.2 | 23.9 | 25.8 | 27.6 | 29.7 | 19.0 | 20.5 | 22.1 | 23.8 | 25.7 | 27.6 | 29.8 |
35 | 19.8 | 21.2 | 22.7 | 24.3 | 26.1 | 27.8 | 29.8 | 19.6 | 21.1 | 22.5 | 24.2 | 26.0 | 27.9 | 29.9 |
36 | 20.4 | 21.8 | 23.2 | 24.7 | 26.4 | 28.0 | 29.9 | 20.3 | 21.7 | 23.1 | 24.7 | 26.4 | 28.1 | 30.0 |
37 | 21.1 | 22.4 | 23.7 | 25.2 | 26.7 | 28.3 | 30.0 | 20.9 | 22.3 | 23.6 | 25.1 | 26.7 | 28.3 | 30.2 |
38 | 21.7 | 23.0 | 24.2 | 25.6 | 27.1 | 28.6 | 30.3 | 21.6 | 22.9 | 24.1 | 25.6 | 27.1 | 28.6 | 30.3 |
39 | 22.2 | 23.5 | 24.7 | 26.0 | 27.5 | 28.9 | 30.5 | 22.1 | 23.4 | 24.6 | 26.0 | 27.5 | 28.9 | 30.6 |
40 | 22.6 | 23.8 | 25.1 | 26.4 | 27.8 | 29.2 | 30.8 | 22.5 | 23.7 | 24.9 | 26.3 | 27.7 | 29.2 | 30.8 |
41 | 22.9 | 24.1 | 25.4 | 26.7 | 28.1 | 29.4 | 31.1 | 22.8 | 24.0 | 25.2 | 26.6 | 28.0 | 29.5 | 31.1 |
42 | 23.2 | 24.5 | 25.7 | 27.0 | 28.3 | 29.7 | 31.3 | 23.1 | 24.3 | 25.5 | 26.8 | 28.3 | 29.7 | 31.4 |
