Characteristics of 31 patients included in non-compartmental analysis (NCA) (left) and of all 52 patients who received nalbuphine (right)
| Analysis | NCA, intravenous | NCA, intranasal | All, intravenous | All, intranasal |
| Number of patients | 11 | 20 | 26 | 26 |
| Gender, male | 7 (64%) | 13 (65%) | 16 (62%) | 16 (62%) |
| Age (days) | 42 (37–76) | 55 (38–63) | 56 (40–70) | 55 (39–63) |
| Weight (kg) | 4.7 (4.3–6.2) | 5.0 (4.6–5.6) | 5.0 (4.5–5.9) | 5.0 (4.7–5.5) |
Continuous variables are given as median (IQR), categorical variables as number (per cent).