Table 2.

Mandible and maxilla T test between male and female

	Male (n = 35)		Female (n = 69)		Significance (P)
	Mean	SD	Mean	SD	(T test)
Maxilla
Sup. ang. 1a	123.76	7.81	127.65	9.85	0.031*
Sup. ang. 2da	133.14	4.40	130.42	7.17	0.099
Sup. ang. 2sa	133.93	6.06	131.59	6.55	0.118
Sup. ang. 3da	74.62	3.15	75.58	4.33	0.239
Sup. ang. 3sa	74.59	2.89	74.94	3.72	0.679
Interpremolar distanceb	38.70	2.01	36.39	2.18	0.000*
Intercanine distanceb	34.43	1.87	32.66	2.08	0.000*
Intermolar distanceb	47.41	2.76	44.28	2.51	0.000*
Intercanine-intermolar distance ratio	0.73	0.03	0.74	0.07	0.389
Arch depthb	32.76	2.05	30.86	2.51	0.000*
Mandible
Inf. ang. 1a	137.04	12.02	137.91	12.51	0.626
Inf. ang. 2da	131.45	9.43	130.47	9.63	0.479
Inf. ang. 2sa	130.68	8.24	130.46	8.16	0.854
Inf. ang. 3da	69.94	2.65	70.80	4.17	0.146
Inf. ang. 3sa	70.18	3.41	69.90	3.30	0.561
Interpremolar distanceb	30.93	1.76	29.91	2.07	0.000*
Intercanine distanceb	26.13	1.59	25.45	1.84	0.010*
Intermolar distanceb	42.59	2.39	41.17	2.48	0.000*
Intercanine-intermolar distance ratio	0.61	0.04	0.62	0.04	0.439
Arch depthb	27.81	2.66	27.00	2.33	0.014*

^aDegrees (°); ^bMillimeters (mm); ^*significant