Time point/group | Number of giant cell nuclei | Number of giant cells | |||||
2 to 5 | 6 to 10 | 11 to 15 | >15 | n | Chi-square | ||
7 days | Untreated | 8 | 2 | 0 | 1 | 9 | 15* |
Treated | 27 | 6 | 1 | 2 | 34 | ||
14 days | Untreated | 23 | 19 | 5 | 5 | 52 | 18* |
Treated | 76 | 31 | 7 | 6 | 123 | ||
21 days | Untreated | 15 | 11 | 0 | 2 | 29 | 23* |
Treated | 28 | 19 | 7 | 8 | 64 |