Table 2 Variables associated with isthmus
Independent variables | Isthmus | P value |
|---|---|---|
Female(n(%)) | 101 (54.9) | 0.839 |
Male(n(%)) | 97 (56.1) | |
Age (mean (SD)) | 37.06 (13.86) | < 0.001 |
Age (n(%)) | < 0.001 | |
< 20 years old | 21 (75.0) | |
20–39 years | 91 (66.4) | |
40–59 years | 75 (52.4) | |
≥ 60 years | 11 (22.4) | |
Separated distal-lingual root canal(n(%)) | 30 (41.1) | 0.003 |
No Separated distal-lingual root canal(n(%)) | 168 (59.2) | |
Position right(n(%)) | 101 (53.2) | 0.282 |
Position left(n(%)) | 97 (58.1) |