Canal type Female Male P-value Right
side
Left
side
P-value
N (%) N (%) N (%) N (%)
Type 1 285 (57.2) 267 (53.2) 0.33a 274 (54.8) 278 (55.6) 0.958a
Type 2 168 (33.7) 192 (38.2) 181 (36.2) 179 (35.8)
Type 3 45 (9.1) 43 (8.6) 45 (9) 43 (8.6)
Total 498 (100) 502 (100) 500 (100) 500 (100)

aNot significant, Chi-square test (significance level P < 0.05).
N = number.