Age range (years) | Number of studies | Total number recurrence | Total recurrence | Total number | Percentage recurrence (%) |
---|---|---|---|---|---|
15–20 | 2 studies11 30 | 53 | 56 | 109 | 51 |
15–30 | 6 studies11 15 28 30–32 | 224 | 211 | 435 | 49 |
21–40 | 7 studies3 11 15 16 29–31 | 319 | 147 | 413 | 36 |
41+ | 7 studies3 8 15 16 28–30 | 737 | 41 | 389 | 11 |
41–60 | 3 studies15 29 30 | 109 | 13 | 122 | 11 |
61+ | 3 studies15 29 30 | 102 | 11 | 113 | 10 |