Table I.

Gender determined by MCI.

	Biological gender
Gender as determined by MCI	Male	Female	Total
Male MCI gender, n	21	19	40
% within male MCI gender	52.5	47.5	100.0
% within biological males	84.0	76.0	80.0
Female MCI gender, n	4	6	10
% within female MCI gender	40.0	60.0	100.0
% within biological females	16.0	24.0	20.0
Both MCI genders, n	25	25	50
% within total sample	50.0	50.0	100.0
% within biological gender	100.0	100.0	100.0

MCI, mandibular canine index.