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. Author manuscript; available in PMC: 2013 Jul 23.
Published in final edited form as: Cornea. 2012 Jan;31(1):26–35. doi: 10.1097/ICO.0b013e31821c9b8f

Table 3.

Clinical variables by participant relationship to proband

Summary of demographic data of probands and their relatives Relationship to Proband Control
Proband Full Sibling Child Parent Cousin Aunt/Uncle Half Sibling
Total (N = 1097)                              322 335 81 20 20 9 6 304
Age Mean 68.8 66.5 48.8 79.0 67.5 67.9 63.2 70.3
Median 69.6 67.2 49.3 80.1 65.3 65.6 59.6 68.9
Std 10.3 10.9 9.9 7.9 11.0 15.5 11.9 7.1
Min 38.7 30.9 20.4 63.7 47.8 46.5 51.3 60.0
Max 92.7 90.6 69.5 96.8 85.7 84.3 82.8 91.2
Worst FECD* Grade Mean 5.6 4.1 2.7 4.0 4.4 3.7 1.8 0
Median 6.0 5.0 3.0 5.0 5.0 4.0 0.0 0
Std 0.6 1.8 2.0 2.0 2.0 2.3 2.9 0
Min 4.0 0 0 0 0 0 0 0
Max 6.0 6.0 6.0 6.0 6.0 6.0 6.0 0
Sex (N = 1097) Male 101 114 18 6 3 3 2 131
Female 221 221 63 14 17 6 4 173
Race (N = 1097) White/Caucasian 316 329 80 20 20 9 6 294
Black/African American 2 2 0 0 0 0 0 3
American Indian/Alaskan Native 1 3 0 0 0 0 0 4
Native Hawaiian or Other Pacific Islander 1 0 0 0 0 0 0 3
Other 2 1 1 0 0 0 0 0
*

Fuchs’ Endothelial Corneal Dystrophy