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Table 2 Detection rates of different canal category in both gender [n, (%)]

From: CBCT evaluation of root canal morphology and anatomical relationship of root of maxillary second premolar to maxillary sinus in a western Chinese population

Gender Canal category
Type I Type II Type III Type IV Type V Type VI Type VII Type VIII
Female 232 (54.7) 141 (33.3) 3 (0.7) 44 (10.4) 4 (0.9) 0 0 0
Male 384 (55.3) 216 (31.1) 3 (0.4) 70 (10.1) 13 (1.9) 5 (0.7) 1 (0.2) 2 (0.3)