| Time to management | Appearance of suppuration | Total | |
| No | Yes | ||
| Before H6 | 1 | 0 | 1 |
| Between H6-H12 | 20 | 2 | 22 |
| Between H12-H18 | 19 | 5 | 24 |
| Between H18-H24 | 14 | 2 | 16 |
| Between H24-H30 | 14 | 0 | 14 |
| Between H30-H36 | 04 | 1 | 05 |
| Between H36-H42 | 03 | 0 | 03 |
| Between H42-H48 | 06 | 0 | 6 |
| Total | 81 | 10 | 91 |