Characteristics of preterm infants tested for fusion genes
| Fusion gene tested n=88 | Total infant series n=230 | |||
|---|---|---|---|---|
| Infant and maternal characteristics | n | % | n | % |
| PROM, premature rupture of fetal membranes; LSCS, lower segment caesarean section; PDA, patent ductus arteriosus; NEC, necrotising enterocolitis; ROP, retinopathy of prematurity. | ||||
| Infants | ||||
| Male | 45 | 51 | 119 | 52 |
| Female | 43 | 49 | 111 | 48 |
| Birth weight (g) | ||||
| <750 | 25 | 28 | 66 | 29 |
| 751–1250 | 46 | 52 | 114 | 49.5 |
| >1251 | 17 | 19 | 50 | 21.5 |
| Gestational age (wk) | ||||
| ≤25 | 21 | 24 | 55 | 24 |
| 26–28 | 36 | 40 | 81 | 35 |
| ≥29 | 31 | 35 | 94 | 41 |
| Ethnicity | ||||
| Caucasian | 73 | 83 | 182 | 79 |
| Asian | 7 | 8 | 31 | 13.5 |
| Afro-Caribbean | 2 | 2 | 7 | 3 |
| Oriental | 3 | 3.5 | 3 | 1.5 |
| Other | 3 | 3.5 | 7 | 3 |
| Mothers | ||||
| Parity | ||||
| Primiparous | 30 | 34 | 59 | 25.5 |
| Multiparous | 58 | 66 | 171 | 74.5 |
| Singleton birth | 62 | 70.5 | 170 | 74 |
| Multiple births | 26 | 29.5 | 60 | 26 |
| Pregnancy induced hypertension | 22 | 25 | 56 | 24 |
| PROM | 25 | 28 | 63 | 27 |
| Delivery | ||||
| Vaginal | 48 | 54 | 118 | 51 |
| LSCS | 40 | 46 | 112 | 49 |
| O2 dependence | ||||
| 28 days | 31/40 | 77.5 | 75/120 | 62.5 |
| 36 weeks | 13/23 | 56.5 | 37/86 | 43 |
| PDA | 28 | 32 | 50 | 22 |
| NEC | 11 | 12.5 | 27 | 12 |
| ROP | 5 | 6 | 8 | 3.5 |
| Sepsis | 32 | 36 | 94 | 41 |
| Mortality | 18 | 20.5 | 52 | 22.5 |