Number of anomalies CLP non-CLP p-value
n % n %
0 28 12.1 200 86.6 <0.001***
1 96 41.6 26 11.2 <0.001***
2 65 28.1 5 2.2 <0.001***
3 38 16.5 0 0 <0.001***
4 4 1.7 0 0 0.123 NS
CLP = cleft lip and palate.
*** = p< 0.001;
NS = not significant.
Table 4: The frequency of anomalies per individual in 231 CLP and 231 non-CLP southern Chinese children.