Condylar volume and condylar area in class I, class II and class III young adult subjects

Head & Face Medicine

Table 1 Descriptive statistic for the variable Volume (mm ³) calculated in the three groups

	N	Mean	Std. Deviation	Range	Minimum	Maximum	Kurtosis
							Statistic	Std. Error
CLASS II subjects
age	68	19.20	4.27	18.00	12.00	30.00	−.611	.574
Volume (right)	68	2350.64 *	642.77	2743.34	1032.34	3775.68	−.128	.574
Volume (left)	68	2352.02 *	733.33	3920.44	832.76	4153.20	.482	.574
CLASS I subjects
age	65	20.86	7.50	18.00	12.00	30.00	1.785	.586
Volume (right)	65	2693.09	538.48	1761.95	1637.45	3399.40	−.213	.586
Volume (left)	65	2675.09	444.93	1319.31	2040.97	3360.28	−1.114	.586
CLASS III subjects
age	65	17.7385	6.8949	19.00	10.00	29.00	−1.195	.586
Volume (right)	65	2672.80 *	599.66	1713.00	2039.23	3752.23	−.890	.586
Volume (left)	65	2792.78 *	648.29	1923.01	1816.34	3739.35	−1.170	.586

For right volume: Chi-square: 10.367; p = 0.006 (Kruskal-Wallis test with skeletal class as grouping variable); Mann-Whitney U = 1651.00; p = 0.012 (post-hoc evaluation);
For left volume: Chi-square: 11.814; p = 0.003 (Kruskal-Wallis test with skeletal class as grouping variable); Mann-Whitney U = 1612.00; p = 0.007 (post-hoc evaluation).

ISSN: 1746-160X