Table 1. Neonatal survival rates of very-low-birth-weight infants (VLBWI) and extremely low birth weight infants (ELBWI) in the Korea by the 2013-2014. 6. Korean Neonatal Network.
| Birth weight (g) | No* (A) | No of live† (B) | Survival rate (B/A) (%) | Gestational age (week) | No* (A) | No of live† (B) | Survival rate (B/A) (%) |
|---|---|---|---|---|---|---|---|
| < 400 | 15 | 5 | 33.3 | 21 | 6 | 0 | 0.0 |
| 400-499 | 55 | 22 | 40.0 | 22 | 29 | 4 | 13.8 |
| 500-599 | 119 | 56 | 47.1 | 23 | 107 | 44 | 41.1 |
| 600-699 | 146 | 90 | 61.6 | 24 | 156 | 93 | 59.6 |
| 700-799 | 220 | 151 | 68.6 | 25 | 226 | 159 | 70.4 |
| 800-899 | 222 | 182 | 82.0 | 26 | 229 | 181 | 79.0 |
| 900-999 | 267 | 221 | 82.8 | 27 | 276 | 238 | 86.2 |
| 1,000-1,099 | 258 | 237 | 91.9 | 28 | 332 | 297 | 89.5 |
| 1,100-1,199 | 252 | 236 | 93.7 | 29 | 332 | 314 | 94.6 |
| 1,200-1,299 | 303 | 281 | 92.7 | 30 | 273 | 255 | 93.4 |
| 1,300-1,399 | 375 | 363 | 96.8 | 31 | 234 | 228 | 97.4 |
| 1,400-1,499 | 374 | 366 | 97.9 | 32 | 127 | 123 | 96.9 |
| Total | 2,606 | 2,210 | 84.8 | 33 | 120 | 117 | 97.5 |
| 34 | 75 | 74 | 98.7 | ||||
| 35 | 57 | 56 | 98.2 | ||||
| ELBWI | 1,044 | 727 | 69.6 | ≥ 36 | 27 | 27 | 100.0 |
| VLBWI | 2,606 | 2,210 | 84.8 | Total | 2,606 | 2,210 | 84.8 |
*Total number of admission in neonatal intensive care units (NICUs): 2,386 data-locked cases + 220 unregistered cases=2,606 cases; †Number of survived infants at time of discharge from NICU.