Table 2 of Zayats, Mol Vis 2009; 15:213-222.


Table 2. Number of subjects in the study.

Subject
group
Subjects (families) participating Subjects (families) analyzed
Cardiff University Duke University Cardiff University Duke University
Related 604 (164) 358 (86) 551 (142) 358 (86)
Cases 112 56 121 56
Controls 114 0 116 0
Total 830 414 788 414