Table 4. - Comparison among the five facial patterns with regard to AHI measurements based on Kruskal-Wallis test.

Facial pattern	n	Mean	SD	p-value
Pattern I	141	17.97	21.4
Pattern II	76	22.51	23.05	0.027 (P II ≠ L.F.)
Pattern III	16	11.4	13.31
Short face	9	16.03	16.31
Long face	10	6.22	9.94