Surgically managed cases following recurrent respiratory infection
| Total, n (% of all cases) | 11 (9.2) |
| Median age at surgery, years (range) | 1.6 (0.4–4.6) |
| Age at surgery, n (% of all cases) | |
| 1 month to 1 year | 2 (1.7) |
| 1–2 years | 5 (4.2) |
| 2–3 years | 2 (1.7) |
| 3–4 years | 1 (0.8) |
| 4–5 years | 1 (0.8) |
| Histological diagnosis, n (% of RRI cases) | |
| CPAM (not typed) | 2 (18) |
| CPAM (type 2) | 3 (27) |
| PS | 3 (27) |
| Hybrid | 1 (9.0) |
| Bronchial atresia | 1 (9.0) |
| Bronchogenic | 1 (9.0) |
| Histological evidence of inflammation, n (% of RRI cases) | |
| None | 3 (27) |
| Acute | 8 (72) |
CPAM, congenital pulmonary airway malformation; PS, pulmonary sequestration; RRI, recurrent respiratory infection.