Distribution of malformations by affected organ systems in different type of clefts. SunTing TianHua WangChangqian YinPing ZhuYaqin ChenXianghua TangZhengde 2013 <p>Values are n (%). Comparison between two or more groups by chi-square test.</p>*<p>P<0.01, compared with CLP and CL; **P<0.01, compared with CL.</p><p>Abbreviations: CL, cleft lip; CP, cleft palate; CLP, cleft lip and palate.</p>