10 December 2020: Review Articles
The Prognosis of Preterm Infants Born at the Threshold of Viability: Fog Over the Gray Zone – Population-Based Studies of Extremely Preterm Infants
Eszter Fanczal AE , Botond Berecz A , Annamária Szijártó A , Ákos Gasparics AD* , Péter Varga ABCEFDOI: 10.12659/MSM.926947
Med Sci Monit 2020; 26:e926947
Table 2 Survival rates of extremely preterm infants by gestational age.
| Study | All infants/Infants who received intensive care | Survival rates (%) by gestational age (week) | ||||||
|---|---|---|---|---|---|---|---|---|
| 22. | 23. | 24. | 25. | 26. | 27. | 28. | ||
| EPIBEL []4 | All | 0 | 5.5 | 29.2 | 55.5 | 71.4 | – | – |
| NEPS1 []16 | All | 0 | 16 | 44 | 66 | 72 | 82 | – |
| NEPS1 []16 | Intensive care | 0 | 39 | 60 | 80 | 84 | 93 | – |
| NEPS2 []17 | All | 18 | 29 | 56 | 84 | 90 | – | – |
| NEPS2 []17 | Intensive care | 60 | 35 | 58 | 86 | 92 | – | – |
| EPICURE []18 | All | 2 | 19 | 40 | 66 | 77 | – | – |
| EPICURE []18 | Intensive care | 15.8 | 30.4 | 46.4 | 69.4 | 78.4 | – | – |
| Kugelman []7 | All | – | 6.2 | 26.5 | 47.4 | 70.1 | – | – |
| Agarwal []8 | All | – | 19 | 57 | 79 | 86 | 91 | 93 |
| EXPRESS []10 | Intensive care | 9.8 | 53 | 67 | 82 | 85 | – | |
| Ishii []11 | Intensive care | 36 | 62.9 | 77.1 | 85.2 | – | – | – |
| Doyle []12 | Intensive care | 5 | 22 | 51 | 67 | 82 | 89 | – |
| Su []13 | Intensive care | – | 22 | 50 | 70 | 84 | 88 | 92 |
| EPIPAGE2 []5 | All | 0 | 1 | 31.2 | 59.1 | 75.3 | – | – |
| Stoll []14 | Intensive care | 7 | 32 | 62 | 77 | 85 | 90 | 94 |
| Anderson []6 | All | 6.4 | 26.9 | 59.8 | 78 | 85.9 | 90.8 | 94 |
| EPI-SEN []15 | Intensive care | 14.3 | 19.9 | 35.9 | 59.7 | 73.3 | – | – |
| Fischer []9 | All | 0 | 5 | 30 | 50 | – | – | – |
| * These studies were divided to several periods. Data were reviewed only from the last period (shown in the table) of these studies. | ||||||||