Table 2.
Patient characteristics
| (n) | All patients (92) | HD positive (36; 39.1%) | HD negative (56; 60.2%) | 
|---|---|---|---|
| Gestational age (mean weeks, ± SD), thereof | 37.82 (± 3.87) | 38.39 (± 2.74) | 36.8 (± 4.42) | 
| Term born (≥ 37 0/7) | 77 (83.7%) | 33 (91.7%) | 44 (78.6%) | 
| Preterm (≤ 36 6/7) | 15 (16.3%) | 3 (8.3%) | 12 (21.4%) | 
| Birthweight (mean kg, ± SD; median) | 3.05 (± 0.93, 3.28) | 3.05 (± 0.94; 3.26) | 3.05 (± 0.94; 3.28) | 
| 
 Gender Male  | 
62 (67.4%) | 28 (77.8%) | 34 (60.7%) | 
| Underlying condition | 25 (27.2%) | 7 (19.4%) | 18 (32.1%) | 
| Age at first RSB (mean weeks ± SD; median) | 12.4 (± 20.64; 5) | 10.33 (± 30.08, 2) | 13.46 (± 11.20; 10) | 
| Weight at first RSB (mean kg, ± SD; median) | 4.65 (± 2.15; 3.96) | 4.00 (± 2.09; 3.38) | 5.06 (± 2.10;4.29) | 
| Mean number of RSB sessions (± SD) | 1.29 (± 0.58) | 1.36 (± 0.59) | 1.25 (± 0.58) | 
| Patients needing full-thickness biopsies, n (%) | 4 (4.3%) | 2 (5.5%) | 2 (3.6%) | 
| Complications from RSB, n (%) | 2 (2.2%) | 0 | 2 (3.6%) | 
HD Hirschsprung’s disease, SD Standard deviation