Variable | Mean (SD) | 95% CI | Percentile 95 | Percentile 99 |
---|---|---|---|---|
*Gender: | ||||
Male | 21.5(13.7) | 21.2-21.8 | 44.2 | 68.7 |
Female | 22.8(13.5) | 22.5-23.1 | 47.2 | 71.2 |
*Maternal origin: | ||||
Spain | 22.2(13.7) | 21.9-22.4 | 45.6 | 69.3 |
Africa | 24.0(17.2) | 23.0-25.1 | 54.0 | 94.8 |
South America | 20.8(11.3) | 20.1-21.5 | 41.7 | 63.6 |
Rest of Europe | 22.3(12.6) | 21.5-23.0 | 45.6 | 71.6 |
Asia | 20.1(12.1) | 18.9-21.4 | 46.2 | 69.3 |
**Maternal age (y): | ||||
<20 | 23.8(13.2) | 22.5-25.1 | 52.0 | 73.3 |
20-40 | 22.1(13.7) | 21.9-22.3 | 45.7 | 69.6 |
>40 | 22.9(14.2) | 21.7-24.2 | 47.9 | 70.6 |
*Gestational age (w): | ||||
<32 | 25.0(16.7) | 23.2-26.8 | 53.9 | 83.0 |
32-37 | 23.2(11.7) | 22.5-24.0 | 46.6 | 65.9 |
>37 | 22.0(13.8) | 21.8-22.3 | 45.4 | 69.5 |
*Feeding methods: | ||||
Natural | 22.2(14.3) | 21.9-22.4 | 46.1 | 71.5 |
Mixed | 21.9(12.0) | 21.4-22.4 | 44.0 | 62.8 |
Formula | 22.2(12.4) | 21.8-22.7 | 45.3 | 65.1 |
Special | 53.3(52.9) | 29.2-77.4 | 234.6 | nd |
*Extraction (d): | ||||
<20 | 22.2(13.9) | 22.0-22.5 | 46.1 | 70.3 |
≥20 | 15.4(19.8) | 10.3-20.6 | 48.0 | nd |