Time | 2b sparing | Control | p value | |
---|---|---|---|---|
Pretreatment | Normal | 12 | 20 | |
At 1 month | Normal | 2 | 5 | 0.349 |
Mild | 5 | 4 | ||
Moderate | 3 | 10 | ||
severe | 2 | 1 | ||
At 3 months | Normal | 6 | 10 | 0.538 |
Mild | 3 | 4 | ||
Moderate | 1 | 5 | ||
severe | 2 | 1 | ||
At 6 months | Normal | 9 | 16 | 0.07 |
Mild | 0 | 4 | ||
Moderate | 2 | 0 | ||
severe | 1 | 0 | ||
At 12 months | Normal | 9 | 19 | 0.03 |
Mild | 3 | 1 | ||
Moderate | 0 | 0 | ||
severe | 0 | 0 | ||
At 18 months | Normal | 11 | 20 | – |
Mild | 1 | 0 | ||
Moderate | 0 | 0 | ||
severe | 0 | 0 |