Table 3: Comparison of relative frequencies among individuals with vertical deficiency, according to severity, for each ethnic group.

Pattern/Race Mild Moderate Severe Total
N % N % n % N %
White 41 33.88 79 65.29 1 0.83 121 100.00
Brown 5 35.71 9 64.29 0 0.00 14 100.00
Yellow 1 100.00 0 0.00 0 0.00 1 100.00
Black 3 100.00 0 0.00 0 0.00 3 100.00
Total 50 35.97 88 63.30 1 0.71 139 100.00

χ2=7.46; p=0.2800; NS.