Distribution of number of procedures per patient and number of procedures per age bracket
| No. of Procedures per Patient | No. of Patients | Age Cohort | No. of Cases |
|---|---|---|---|
| 1 | 125 | <1 year | 27 |
| 2 | 42 | 1–2 years | 37 |
| 3 | 20 | 3–7 years | 80 |
| 4 | 5 | 8–13 years | 101 |
| 5 | 4 | 13–17 years | 91 |
| 6 | 2 | 18–20 years | 19 |
| 7 | 2 | ||
| 9 | 1 | ||
| 11 | 1 |
Note:—Total number of procedures = 355; total number of unique patients = 202. Most patients underwent a single procedure, the vast majority underwent 3 or fewer, and a very small number underwent 5 or more. The mean age of the cohort was 9.7 years.