Table 1.
Gestational age (weeks) | n | Birth weights (grams) | ||||
---|---|---|---|---|---|---|
Mean | SD | Median | Minimum | Maximum | ||
28 | 29 | 1109 | 181 | 1090 | 750 | 1450 |
29 | 17 | 1383 | 237 | 1400 | 1030 | 1810 |
30 | 22 | 1557 | 330 | 1555 | 1050 | 2620 |
31 | 28 | 2016 | 593 | 1740 | 1200 | 3180 |
32 | 30 | 1963 | 511 | 1965 | 1050 | 3130 |
33 | 59 | 2381 | 642 | 2250 | 1360 | 4050 |
34 | 67 | 2398 | 491 | 2300 | 1640 | 3700 |
35 | 126 | 2689 | 477 | 2650 | 1420 | 4200 |
36 | 245 | 2882 | 443 | 2860 | 1550 | 4200 |
37 | 607 | 3048 | 421 | 3040 | 1730 | 4370 |
38 | 1234 | 3215 | 412 | 3200 | 1740 | 5000 |
39 | 1638 | 3347 | 429 | 3330 | 1860 | 4880 |
40 | 1563 | 3447 | 445 | 3450 | 1900 | 4980 |
41 | 635 | 3541 | 457 | 3540 | 2080 | 4900 |
42 | 161 | 3535 | 519 | 3600 | 2300 | 4875 |
SD: standard deviation.