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

Head & Face Medicine

Table 2 Descriptive statistic for the variable Surface (mm ²) calculated in the three groups

	N	Mean (mm²)	Std. Deviation	Range	Minimum	Maximum	Kurtosis
							Statistic	Std. Error
CLASS II subjects
Surface (right)	68	1145.68*	197.67	908.66	729.21	1637.87	.568	.574
Surface (left)	68	1185.52*	197.26	1037.24	765.70	1802.94	1.083	.574
CLASS I subjects
Surface (right)	65	1210.50	191.92	672.56	881.18	1553.74	--.186	.586
Surface (left)	65	1226.49	187.09	595.04	1039.68	1634.72	.646	.586
CLASS III subjects
Surface (right)	65	1365.76*	226.74	673.54	1084.63	1758.17	−.933	.586
Surface (left)	65	1362.55*	263.18	670.74	1055.72	1726.46	−1.523	.586

For right surface: Chi-square: 10.367; p = 0.006 (Kruskal-Wallis test with skeletal class as grouping variable); Mann-Whitney U = 1108.00; p = 0.001 (post-hoc evaluation);
For left surface: Chi-square: 12.104; p = 0.002 (Kruskal-Wallis test with skeletal class as grouping variable); Mann-Whitney U = 1603.00; p = 0.006 (post-hoc evaluation).

ISSN: 1746-160X