Clinical characteristics, physiological status at the time of measurement and blood flow velocity (BFV) measurements for infants with negative and positive cultures on the first day of life
| Negative cultures (n=59) | Infected (n=17) | p Value | |
| Clinical characteristics | |||
| Birth weight (kg) | 1.14 (0.51–2.47) | 1.038 (0.57–3.10) | |
| Gestation (weeks) | 28 (23–34) | 27 (24–36) | |
| Maternal PROM | 8 (14) | 7 (41) | <0.05 |
| Five minute Apgar score | 8 (1–10) | 8 (1–10) | |
| No with 5 min Apgar <5 | 5 (8) | 1 (6) | |
| Deaths | 13 (22) | 1 (7) | 0.24 |
| Physiological status when measurements performed | |||
| Age (hours) | 11 (1–23) | 11.5 (3–21) | |
| Mean arterial BP (mm Hg) | 34 (10–52) | 35 (33–44) | |
| Paco 2 (kPa) | 4.7 (3.8–8.5) | 4.2 (3.2–5.4) | |
| Inotropic support | 4 (7) | 1 (7) | |
| Mechanical ventilation | 53 (90) | 14 (82) | |
| BFV measurements | |||
| Coeliac axis BFV (cm/s) | 34.6 (10.4–97.3) | 46.5 (25.4–126) | <0.05 |
| Coeliac axis PI | 1.27 (0.54–3.32) | 0.80 (0.48–2.55) | <0.0001 |
| SMA BFV (cm/s) | 20.2 (6.2–42.4) | 26.2 (12.1–57.4) | 0.11 |
| SMA PI | 2.28 (1.14–3.98) | 1.61 (1.06–3.15) | <0.01 |
Values are given as medians (ranges) or numbers (percentages). Where no p value is given, the differnce is not significant.
PROM, premature rupture of membranes; BP, blood pressure; PI, pulsatility index; SMA, superior mesenteric artery.