Morphine (n=88) | Non-morphine (n=48) | Comparative statistics | |||||
---|---|---|---|---|---|---|---|
χ2statistic | p Value | ||||||
Ultrasound report not available | 18 (20%) | 13 (27%) | |||||
Ultrasound report available | 70 (80%) | 35 (73%) | 0.78 | 0.38 | |||
Ultrasound diagnosis | |||||||
Normal | 40 (45%) | 27 (56%) | |||||
Germinal matrix haemorrhage | 12 (14%) | 2 (4%) | |||||
Intraventricular haemorrhage | 5 (6%) | 3 (6%) | |||||
Parenchymal venous infarction | 11 (13%) | 2 (4%) | |||||
Cystic leucomalacia (cPVL) | 2 (2%) | 1 (2%) | |||||
Diagnoses of major clinical significance | p value3-150 | ||||||
Venous infarction + cPVL | 13 (15%) | 3 (6%) | 0.23 |
↵3-150 χ2 analysis.
3-160 Fisher’s exact test.