Gestational age of neonates receiving PN in the first postnatal week as a proportion of total live births
| Gestational age category* at birth | Neonates receiving PN in the first postnatal week by year of birth n (% of live births) | |||||
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | |
| Extremely preterm | 2317 (72) | 2309 (75) | 2267 (77) | 2348 (78) | 2421 (76) | 2325 (75) |
| Very preterm | 3493 (61) | 3900 (71) | 3896 (71) | 4059 (73) | 4135 (73) | 4110 (74) |
| Moderate and late preterm | 2343 (5.3) | 2640 (6.1) | 2796 (6.4) | 2683 (6.0) | 2547 (5.6) | 2375 (5.2) |
| Term | 1370 (0.2) | 1688 (0.3) | 1618 (0.3) | 1528 (0.2) | 1484 (0.2) | 1493 (0.2) |
| Total | 9523 (1.3) | 10 537 (1.5) | 10 577 (1.5) | 10 618 (1.5) | 10 587 (1.5) | 10 303 (1.5) |
Extremely preterm: <28+0 weeks, very preterm: 28+0–31+6 weeks, moderate and late preterm; 32+0–36+6 weeks, term >36+6 weeks.
Number in brackets indicates the percentage of all live births given PN in each category (Denominator data from ONS birth characteristics in England and Wales).
Neonates with missing data for gestational age=3.
*Gestational age at birth categorised using WHO definitions.41
ONS, Office for National Statistics; PN, parenteral nutrition.