Primary outcome for the two study groups and by underlying diagnosis
| Variable | Catheter group, N=16, median (IQR) | Opioid Group, N=14, median (IQR) | Median difference (SE; 90% CIhigh) |
| Primary outcome study | |||
| Cumulative opioid use first 72 hours post surgery, µg/kg | 431.5 (241–1174) | 771 (406–1010) | −339.5 (261; 90% CIhigh 109) |
| Primary outcome CDH only | |||
| Cumulative opioid use first 72 hours post surgery, µg/kg | 965.5 (489–1521) | 1010 (696–1369) | −44.5 (369.3; 90% CIhigh 410.5) |
| Primary outcome non CDH only | |||
| Cumulative opioid use first 72 hours post surgery, µg/kg | 241 (172.5–431.5) | 406 (200–793) | −165 (234.4; 90% CIhigh 41) |
CDH, congenital diaphragmatic hernia.