Table 6 Comparison of the change in total volume between male and female

From: Change of the airway space in mandibular prognathism after bimaxillary surgery involving maxillary posterior impaction

	T0–T1	P value	T1–T2	P value	T0–T2	P value
	Mean (SD)	P value	Mean (SD)	P value	Mean (SD)	P value
Male (n = 11)	6733.05 (5415.95)	.112	2407.24 (1760.56)	.021	5925.27 (4242.12)	.058
Female (n = 11)	13,169.83 (9998.66)	.112	6883.35 (4202.39)	.021	11,646.18 (9638.95)	.058

Volumetric measurements are expressed by cubic millimeters. The independent t test was used, and P values <.05 are statistically significant
Abbreviations: T0 preoperatively, T1 immediate postoperatively, T2 after 6 months postoperatively, SD standard deviation

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