Table 3.
The survival rate of extremely low birth weight (ELBW) infants in relation to birth weight.
| Birth weight (grams) | < 500 | 500–599 | 600–699 | 700–799 | 800–899 | 900–999 | p-value |
|---|---|---|---|---|---|---|---|
| ELBW infants, n | 22 | 52 | 150 | 372 | 685 | 1294 | – |
| Survived, n (%) | 1 (4.55) | 16 (30.77) | 46 (30.67) | 145 (38.98) | 363 (52.99) | 848 (65.53) | < 0.001* |
| Died under active treatment, n (%) | 2 (9.09) | 15 (28.85) | 43 (28.67) | 63 (16.94) | 110 (16.06) | 155 (11.98) | – |
| Died after treatment withdrawal, n (%) | 19 (86.36) | 21 (40.38) | 61 (40.67) | 164 (44.09) | 212 (30.95) | 291 (22.49) | – |
ELBW, extremely low birth weight.
*Chi-square test linear-by-linear association.