Table 10.

Survivors (% of Admissions) at 28 Days, Expected Date of Delivery, and Discharge From Hospital by Gestation and Birth Weight*

Total PopulationInfants Not TransferredPostnatal TransfersSingletonsMultiplesSingletons Not Transferred
Gestation
21 wkn = 3; no survivors
22 wkn = 22n = 19n = 3n = 13n = 9n = 10
 28-d survivors (%)3 (13.6%)2 (10.5%)1 (33.3%)2 (15.4%)1 (11.1%)1 (10.0%)
 EDD survivors (%)2 (9.1%)2 (10.5%)01 (7.7%)1 (11.1%)1 (10.0%)
 Discharged (%; 95% CI)2 (9.1%; 0–21.1)2 (10.5%; 0–24.2)01 (7.7%; 0–22.2%)1 (11.1%; 0–31.6)1 (10.0%; 0–28.5)
23 wkn = 131n = 105n = 23n = 94n = 35n = 79
 28-d survivors (%)38 (29.2%)30 (28.6%)8 (36.4%)31 (34.3%)7 (20.0%)25 (31.7%)
 EDD survivors (%)28 (21.4%)22 (21.0%)6 (26.1%)23 (24.5%)5 (14.3%)19 (24.1%)
 Discharged (%; 95% CI)26 (19.9%; 13.1–26.7)20 (19.1%; 11.6–26.6)6 (26.1%; 8.2–44.0)22 (23.4%; 14.8–32.0)4 (11.3%; 0.8–21.8)18 (22.8%; 13.5–32.1)
24 wkn = 298n = 253n = 39n = 211n = 83n = 180
 28-d survivors (%)129 (43.3%)111 (43.9%)16 (41.0%)101 (47.9%)26 (31.3%)87 (48.3%)
 EDD survivors (%)107 (35.9%)95 (37.6%)12 (30.8%)86 (40.8%)21 (25.3%)76 (42.2%)
 Discharged (%; 95% CI)100 (33.6%; 28.2–39.0)88 (34.8%; 32.9–40.7)12 (30.8%; 16.3–45.3)81 (38.4%; 31.8–45.0)19 (22.9%; 14.9–31.3)71 (39.4%; 32.3–46.5)
25 wkn = 357n = 299n = 49n = 244n = 108n = 211
 28-d survivors (%)209 (59.2%)185 (62.7%)22 (44.9%)145 (60.4%)64 (59.3%)131 (63.3%)
 EDD survivors (%)192 (53.8%)171 (57.2%)20 (40.8%)134 (54.9%)58 (53.7%)121 (57.4%)
 Discharged (%; 95% CI)186 (52.1%; 46.9–57.3)165 (55.2%; 49.4–60.8)20 (40.8%; 27.0–54.6)131 (54.7%; 46.2–54.7)55 (50.9%; 41.5–60.3)118 (55.9%; 49.2–62.6)
Birth weight
<500 gn = 33n = 29n = 4n = 16n = 17n = 14
 28-d survivors (%)3 (9.1%)3 (10.3%)003 (17.7%)0
 EDD survivors (%)3 (9.1%)3 (10.3%)003 (17.7%)0
 Discharged (%; 95% CI)2 (6.1%)2 (6.9%; 0–34.0)002 (11.8%; 0–27.1)0
500–749 gn = 497n = 419n = 65n = 338n = 151n = 293
 28-d survivors (%)201 (40.8%)174 (41.8%)24 (37.5%)148 (44.3%)51 (33.8%)131 (45.2%)
 EDD survivors (%)164 (33.0%)147 (35.1%)17 (26.2%)120 (35.5%)44 (29.1%)111 (37.5%)
 Discharged (%; 95% CI)157 (31.6%; 27.5–35.7)140 (33.4%; 28.9–37.9)17 (26.2%; 15.5–36.9)116 (34.3%; 29.2–39.4)41 (27.2%; 20.1–34.3)106 (36.2%; 30.7–41.7)
750–999 gn = 276n = 228n = 43n = 206n = 67n = 173
 28-d survivors (%)172 (62.6%)149 (65.6%)22 (51.2%)128 (62.4%)44 (65.7%)111 (64.5%)
 EDD survivors (%)159 (57.6%)138 (60.5%)20 (46.5%)121 (58.7%)38 (56.7%)105 (60.7%)
 Discharged (%; 95% CI)152 (55.1%; 48.6–61.6)131 (57.5%; 51.1–63.9)20 (46.5%; 31.6–51.4)116 (56.3%; 49.5–63.1)36 (53.7%; 41.8–65.6)100 (57.8%; 48.1–67.5)
>999 gn = 5n = 3n = 2n = 5n = 0n = 3
 28-d survivors (%)3 (60.0%)2 (66.7%)1 (50.0%)3 (60.0%)2 (66.7%)
 EDD survivors (%)3 (60.0%)2 (66.7%)1 (50.0%)3 (60.0%)2 (66.7%)
 Discharged (%; 95% CI)3 (60.0%)2 (66.7%)1 (50.0%)3 (60.0%)2 (66.7%)
Totaln = 811n = 679n = 114n = 565n = 235n = 483
 28-d survivors (%)379 (47.0%)328 (48.7%)47 (41.6%)279 (49.8%)98 (41.7%)244 (50.9%)
 EDD survivors (%)329 (40.6%)290 (42.7%)38 (33.3%)244 (43.2%)85 (36.2%)217 (44.6%)
 Discharged (%; 95% CI)314 (38.7%; 35.3–42.1)275 (40.5%; 36.8–44.2)38 (33.3%; 24.6–42.0)235 (41.6%; 37.5–45.7)79 (33.6%; 27.3–40.6)208 (43.1%; 38.7–47.5)
  • * Total population includes 3 born outside hospital; the remaining columns exclude these 3 and those with lethal congenital anomalies.