Table 2 Length (cm)-for-age z-score curves at 0, ±1, ±2, and ± 3 SD for Chinese boys and girls from birth to 24 months
From: Growth patterns from birth to 24 months in Chinese children: a birth cohorts study across China
Age (month) | Boys | Girls | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
L | M | S | -3SD | -2SD | -1SD | 0SD | 1SD | 2SD | 3SD | L | M | S | -3SD | -2SD | -1SD | 0SD | 1SD | 2SD | 3SD | |
0 | −0.7996 | 50.3 | 0.0306 | 46.0 | 47.4 | 48.8 | 50.3 | 51.9 | 53.6 | 55.3 | −1.0973 | 49.9 | 0.0305 | 45.7 | 47.0 | 48.4 | 49.9 | 51.5 | 53.2 | 55.0 |
1 | −0.7996 | 54.9 | 0.0318 | 50.1 | 51.6 | 53.2 | 54.9 | 56.7 | 58.6 | 60.6 | −0.9519 | 54.2 | 0.0320 | 49.4 | 50.9 | 52.5 | 54.2 | 55.9 | 57.9 | 59.9 |
2 | −0.7996 | 58.9 | 0.0326 | 53.6 | 55.3 | 57.1 | 58.9 | 60.9 | 63.0 | 65.3 | −0.6922 | 57.9 | 0.0331 | 52.6 | 54.3 | 56.0 | 57.9 | 59.9 | 62.0 | 64.2 |
3 | −0.7996 | 62.2 | 0.0330 | 56.6 | 58.3 | 60.2 | 62.2 | 64.3 | 66.6 | 69.0 | −0.3981 | 61.0 | 0.0338 | 55.3 | 57.1 | 59.0 | 61.0 | 63.2 | 65.4 | 67.7 |
4 | − 0.7996 | 64.8 | 0.0331 | 58.9 | 60.8 | 62.8 | 64.8 | 67.1 | 69.4 | 71.9 | −0.1356 | 63.6 | 0.0342 | 57.4 | 59.4 | 61.4 | 63.6 | 65.8 | 68.1 | 70.5 |
5 | −0.7996 | 67.0 | 0.0332 | 60.9 | 62.8 | 64.8 | 67.0 | 69.3 | 71.7 | 74.3 | 0.0640 | 65.7 | 0.0343 | 59.2 | 61.3 | 63.5 | 65.7 | 68.0 | 70.3 | 72.8 |
6 | −0.7996 | 68.8 | 0.0331 | 62.6 | 64.5 | 66.6 | 68.8 | 71.2 | 73.7 | 76.3 | 0.2052 | 67.5 | 0.0344 | 60.8 | 63.0 | 65.2 | 67.5 | 69.9 | 72.3 | 74.8 |
7 | −0.7996 | 70.5 | 0.0330 | 64.0 | 66.1 | 68.2 | 70.5 | 72.9 | 75.4 | 78.1 | 0.2974 | 69.1 | 0.0344 | 62.2 | 64.5 | 66.8 | 69.1 | 71.5 | 74.0 | 76.5 |
8 | −0.7996 | 71.9 | 0.0330 | 65.4 | 67.4 | 69.6 | 71.9 | 74.4 | 76.9 | 79.7 | 0.3533 | 70.6 | 0.0344 | 63.5 | 65.8 | 68.2 | 70.6 | 73.0 | 75.6 | 78.1 |
9 | −0.7996 | 73.2 | 0.0329 | 66.6 | 68.7 | 70.9 | 73.2 | 75.7 | 78.3 | 81.1 | 0.3867 | 71.9 | 0.0344 | 64.7 | 67.1 | 69.5 | 71.9 | 74.4 | 77.0 | 79.6 |
10 | −0.7996 | 74.4 | 0.0329 | 67.7 | 69.8 | 72.0 | 74.4 | 76.9 | 79.6 | 82.5 | 0.4064 | 73.1 | 0.0343 | 65.8 | 68.2 | 70.7 | 73.1 | 75.7 | 78.3 | 80.9 |
11 | −0.7996 | 75.5 | 0.0328 | 68.7 | 70.8 | 73.1 | 75.5 | 78.1 | 80.8 | 83.7 | 0.4167 | 74.3 | 0.0342 | 66.9 | 69.3 | 71.8 | 74.3 | 76.9 | 79.5 | 82.1 |
12 | −0.7996 | 76.6 | 0.0328 | 69.7 | 71.9 | 74.2 | 76.6 | 79.2 | 82.0 | 84.9 | 0.4203 | 75.4 | 0.0342 | 67.9 | 70.3 | 72.8 | 75.4 | 78.0 | 80.6 | 83.3 |
13 | −0.7996 | 77.7 | 0.0328 | 70.7 | 72.9 | 75.2 | 77.7 | 80.3 | 83.1 | 86.1 | 0.4205 | 76.5 | 0.0341 | 68.9 | 71.4 | 73.9 | 76.5 | 79.1 | 81.8 | 84.5 |
14 | − 0.7996 | 78.8 | 0.0328 | 71.7 | 73.9 | 76.3 | 78.8 | 81.5 | 84.3 | 87.3 | 0.4189 | 77.6 | 0.0341 | 69.9 | 72.4 | 74.9 | 77.6 | 80.2 | 82.9 | 85.7 |
15 | −0.7996 | 79.9 | 0.0327 | 72.7 | 74.9 | 77.3 | 79.9 | 82.6 | 85.4 | 88.5 | 0.4166 | 78.6 | 0.0340 | 70.9 | 73.4 | 76.0 | 78.6 | 81.3 | 84.1 | 86.9 |
16 | −0.7996 | 81.0 | 0.0327 | 73.7 | 76.0 | 78.4 | 81.0 | 83.7 | 86.6 | 89.7 | 0.4142 | 79.7 | 0.0339 | 71.8 | 74.4 | 77.0 | 79.7 | 82.5 | 85.2 | 88.1 |
17 | −0.7996 | 82.1 | 0.0327 | 74.7 | 77.0 | 79.4 | 82.1 | 84.8 | 87.8 | 90.9 | 0.4125 | 80.8 | 0.0339 | 72.8 | 75.4 | 78.1 | 80.8 | 83.6 | 86.4 | 89.2 |
18 | −0.7996 | 83.1 | 0.0327 | 75.6 | 78.0 | 80.5 | 83.1 | 85.9 | 88.9 | 92.1 | 0.4121 | 81.8 | 0.0338 | 73.8 | 76.4 | 79.1 | 81.8 | 84.6 | 87.5 | 90.4 |
19 | −0.7996 | 84.1 | 0.0327 | 76.6 | 78.9 | 81.5 | 84.1 | 87.0 | 90.0 | 93.2 | 0.4134 | 82.9 | 0.0337 | 74.7 | 77.4 | 80.1 | 82.9 | 85.7 | 88.6 | 91.5 |
20 | −0.7996 | 85.2 | 0.0327 | 77.5 | 79.9 | 82.4 | 85.2 | 88.0 | 91.1 | 94.3 | 0.4154 | 83.9 | 0.0336 | 75.7 | 78.3 | 81.1 | 83.9 | 86.7 | 89.6 | 92.6 |
21 | −0.7996 | 86.1 | 0.0327 | 78.4 | 80.8 | 83.4 | 86.1 | 89.0 | 92.1 | 95.4 | 0.4169 | 84.9 | 0.0336 | 76.6 | 79.3 | 82.0 | 84.9 | 87.7 | 90.7 | 93.7 |
22 | −0.7996 | 87.1 | 0.0327 | 79.3 | 81.7 | 84.3 | 87.1 | 90.0 | 93.2 | 96.5 | 0.4172 | 85.8 | 0.0335 | 77.5 | 80.2 | 83.0 | 85.8 | 88.8 | 91.7 | 94.7 |
23 | −0.7996 | 88.1 | 0.0327 | 80.1 | 82.6 | 85.3 | 88.1 | 91.0 | 94.2 | 97.5 | 0.4164 | 86.8 | 0.0335 | 78.4 | 81.1 | 83.9 | 86.8 | 89.8 | 92.7 | 95.8 |
24 | −0.7996 | 89.0 | 0.0327 | 81.0 | 83.5 | 86.2 | 89.0 | 92.0 | 95.2 | 98.6 | 0.4146 | 87.8 | 0.0334 | 79.2 | 82.0 | 84.9 | 87.8 | 90.7 | 93.8 | 96.8 |