Comparison of NNRD (all admissions to neonatal care among births in England in 2013) and ONS (all live births in England in 2013)
| Survival status* | Region of mother’s residence* | |||||
| Survived to 28 days | Died before 28 days | London | Midlands and East of England | North of England | South of England | |
| Gestational age‡ | NNRD/ONS (%) | NNRD/ONS (%) | NNRD/ONS (%) | NNRD/ONS (%) | NNRD/ONS (%) | NNRD/ONS (%) |
| 22+0–22+6 | 3/14 (21) | 9/130 (7) | † | † | † | † |
| 23+0–23+6 | 105/104 (101) | 81/168 (48) | 44/57 (77) | 52/77 (68) | 51/79 (65) | 31/57 (54) |
| 24+0–24+6 | 274/298 (92) | 109/158 (69) | 79/108 (73) | 93/109 (85) | 110/134 (82) | 80/105 (76) |
| 25+0–25+6 | 375/388 (97) | 82/86 (95) | 88/95 (93) | 118/136 (87) | 134/136 (99) | 102/106 (96) |
| 26+0–26+6 | 506/526 (96) | 60/77 (78) | 126/134 (94) | 165/189 (87) | 146/164 (89) | 105/115 (91) |
| 27+0–27+6 | 619/646 (96) | 49/54 (91) | 115/130 (88) | 184/202 (91) | 194/199 (97) | 144/164 (88) |
| 28+0–28+6 | 852/865 (98) | 59/60 (98) | 173/192 (90) | 248/268 (93) | 221/242 (91) | 208/221 (94) |
| 29+0–29+6 | 1049/1069 (98) | 34/41 (83) | 194/198 (98) | 300/334 (90) | 311/342 (91) | 221/236 (94) |
| 30+0–30+6 | 1306/1351 (97) | 28/32 (88) | 247/261 (95) | 371/412 (90) | 371/384 (97) | 275/324 (85) |
| 31+0–31+6 | 1723/1766 (98) | 27/39 (69) | 349/376 (93) | 449/496 (91) | 462/491 (94) | 405/436 (93) |
| Total | 6812/7027 (97) | 538/845 (64) | 1415/1551 (91) | 1980/2223 (89) | 2000/2171 (92) | 1571/1764 (89) |
*There were 17 infants in the NNRD with unknown survival status and 389 with unknown region of mother’s residence so row totals may not correspond.
†Live births at 22 weeks’ gestational age by region was not published.
‡There were 2256 live births in ONS data where gestational age data could not be linked or were not recorded.
NNRD, National Neonatal Research Database; ONS, Office of National Statistics.