| 6 months (n=20) | 7–9 months (n=11) | 10–12 months (n=5) | 13–24 months (n=55) | 24+ months (n=67) | |||||
---|---|---|---|---|---|---|---|---|---|---|
| Pre | Post | Pre | Post | Pre | Post | Pre | Post | Pre | Post |
Mild | 2 | 7 | 4 | 9 |
| 2 | 6 | 24 | 8 | 33 |
Moderate | 13 | 5 | 1 |
| 2 | 1 | 8 | 10 | 3 | 21 |
Severe | 4 | 4 |
| 1 | 1 | 1 | 14 | 8 | 23 | 9 |
None | 9 | 3 | 6 | 1 | 2 | 1 | 25 | 8 | 31 | 2 |
Variable | 1 | 1 |
|
|
|
| 2 | 4 | 2 | 1 |