Table 2.
Comparison of frequency of anterior loop of inferior alveolar nerve between different age groups in digital panoramic and cone-beam computed tomography by Chi-square test
| Methods | Sides | Variables | 18-38 (%) | 39-58 (%) | 59+ (%) | Total (%) | χ2 | P |
|---|---|---|---|---|---|---|---|---|
| Digital panoramic | Right | aAL | 15 (50.00) | 10 (33.33) | 6 (20.00) | 31 (34.44) | 6.0030 | 0.0500* |
| cAL | 16 (53.33) | 10 (33.33) | 6 (20.00) | 32 (35.56) | 7.3710 | 0.0250* | ||
| Left | aAL | 17 (56.67) | 13 (43.33) | 6 (20.00) | 36 (40.00) | 8.6110 | 0.0130* | |
| cAL | 17 (56.67) | 13 (43.33) | 6 (20.00) | 36 (40.00) | 8.6110 | 0.0130* | ||
| CBCT | Right | aAL | 23 (76.67) | 13 (43.33) | 16 (53.33) | 52 (57.78) | 7.1960 | 0.0270* |
| cAL | 23 (76.67) | 13 (43.33) | 16 (53.33) | 52 (57.78) | 7.1960 | 0.0270* | ||
| Left | aAL | 24 (80.00) | 16 (53.33) | 10 (33.33) | 50 (55.56) | 13.3200 | 0.0010* | |
| cAL | 24 (80.00) | 16 (53.33) | 10 (33.33) | 50 (55.56) | 13.3200 | 0.0010* |
*P<0.05. CBCT: Cone-beam computed tomography; AL: Anterior loop; aAL: Anterior AL; cAL: Caudal AL