Characteristics of studies included in the analysis
| Ref | Authors and year | Weight group | NEC incidence before SFR | NEC incidence after SFR |
|---|---|---|---|---|
| NEC, Necrotising enterocolitis; SFR, standardised feeding regimen; LBW, low birth weight; VLBW, very low birth weight. | ||||
| *Data from three participating centres . | ||||
| 7 | Brown et al 1978 | LBW | 14/1745 | 1/932 |
| 8 | Spritzer et al 1988 | <2 kg | 51/529 | 0/604–3/937 |
| 9 | Kamitsuka et al 2000 | LBW | 23/477 | 5/467 |
| VLBW | 3/68 | 3/77 | ||
| 10,11 | Patole et al 2000 | VLBW | 30/250 | 1/298 |
| 15 | Premji et al 2002 | VLBW | 2/100 | 0/100 |
| 16 | Kuzma-O’Reilly et al 2003* | VLBW | 62/828 | 94/2041 |