Incidence of LOS by birth weight
| Reference | Birth weight (g) | No. of neonates | LOS, No. (%) |
|---|---|---|---|
| Boghossian et al,2 USA | 400–500 | 223 | 146 (65.5) |
| 501–750 | 2680 | 1372 (51.2) | |
| 751–1000 | 4030 | 1309 (32.5) | |
| Vergnano et al,3 England | 1000–1499 | 1110 | 113 (10.2) |
| 1500–2500 | 2945 | 66 (2.2) | |
| >2500 | 5340 | 88 (1.6) |
LOS, late-onset sepsis.