Breakdown of inconclusive results by number, type, age at time of procedure and final diagnosis
| Patient | First inconclusive Bx | Second inconclusive Bx | Conclusive Bx | HD diagnosis | |||
| Type | Age | Type | Age | Type | Age | ||
| 1 | SRB | Neonate | – | – | SRB | 1 mo | Negative |
| 2 | SRB | Neonate | – | – | OSB | 11 mo | Positive |
| 3 | OSB | 3 y | – | – | OSB | 4 y | Negative |
| 4 | SRB | 2 y | SRB | 2 y | OSB | 2 y | Positive |
| 5 | SRB | 6 mo | OSB | 7 mon | OSB | 9 mo | Negative |
| 6 | SRB | 7 y | – | – | Lap Bx | 7 y | Positive |
| 7 | SRB | Neonate | – | – | Improved clinically | Negative | |
| 8 | SRB | 1 mo | – | – | Improved clinically | Negative | |
| 9 | OSB | 4 y | – | – | Improved clinically | Negative | |
| 10 | SRB | 6 mo | – | – | Improved clinically | Negative | |
Bx, biopsy; HD, Hirschsprung’s disease; OSB, open strip biopsy; SRB, suction rectal biopsy.