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Differences in transverse and sagittal diameters between males and females. Males had a significantly longer transverse length than females with a mean difference of 1.561 ± 0.4436 mm (mean ± standard error of the mean) (95% confidence interval = 0.6833–2.440 mm; T (122) = 3.520; P = 0.0006). Males also had a significantly longer sagittal length than females, with a mean difference of 2.178 ± 0.6461 mm (95% confidence interval = 0.8986–3.457 mm; t = 3.371 (122); P = 0.001)
