Table 2.
Gestational age (weeks) | n | Birth weights (grams) | ||||
---|---|---|---|---|---|---|
Mean | SD | Median | Minimum | Maximum | ||
28 | 23 | 1053 | 207 | 1030 | 700 | 1500 |
29 | 12 | 1342 | 339 | 1275 | 900 | 1900 |
30 | 18 | 1581 | 435 | 1470 | 1000 | 2650 |
31 | 25 | 1940 | 587 | 1700 | 1200 | 3050 |
32 | 35 | 1957 | 461 | 1850 | 1130 | 3200 |
33 | 53 | 2211 | 537 | 2100 | 1300 | 3450 |
34 | 72 | 2262 | 476 | 2273 | 1260 | 3400 |
35 | 100 | 2537 | 521 | 2465 | 1500 | 3880 |
36 | 224 | 2759 | 489 | 2715 | 1640 | 4330 |
37 | 538 | 2937 | 449 | 2900 | 1700 | 4725 |
38 | 1109 | 3115 | 431 | 3100 | 1700 | 4860 |
39 | 1663 | 3202 | 401 | 3200 | 2000 | 4680 |
40 | 1531 | 3318 | 427 | 3300 | 1900 | 4900 |
41 | 693 | 3396 | 449 | 3400 | 1890 | 4630 |
42 | 167 | 3374 | 472 | 3350 | 2110 | 4830 |
SD: standard deviation.