Table 1. Descriptive statistics on eMERGE cataract data set.
| Study sample | Site | Number | Number Missing | Total | ||
|---|---|---|---|---|---|---|
| 7397 |
0 |
7397 |
||||
| Marshfield Clinic |
Total |
3914 (52.91%) |
||||
| Cases |
2557 |
|||||
| Controls |
1357 |
|||||
| Mayo Clinic |
Total |
952 (12.87%) |
||||
| Cases |
606 |
|||||
| Controls |
346 |
|||||
| Group Health |
Total |
2346 (31.72%) |
||||
| Cases |
2235 |
|||||
| Controls |
111 |
|||||
| Vanderbilt |
Total |
185 (2.50%) |
||||
| Cases |
105 |
|||||
| Controls |
80 |
|||||
| White |
7109 (96.11%) |
|||||
| Race |
Black |
114 (1.54%) |
0 |
7397 |
||
| (p=0.1157) |
||||||
| Other |
174 (2.35%) |
|||||
| Case-Control Cataract |
Cases |
5503 |
0 |
7397 |
||
| Controls |
1894 |
|||||
| Cataract Age at Diagnosis (Case only) |
Mean±SD |
70.50±8.09 |
7296 |
101 |
7397 |
|
| Median |
71 |
|||||
| IQR(25%,75%) |
(66,76) |
|||||
| Range |
35 - 136 |
|||||
| Sex |
Cases |
Male |
2401 |
0 |
5503 |
|
| (p=0.7684) |
Female |
3102 |
||||
| Controls |
Male |
819 |
0 |
1894 |
||
| Female |
1075 |
|||||
| Birthdate Year** |
Cases |
Mean±SD |
2.3211±1.01 |
5462 |
41 |
5503 |
| (p<0.0001) |
Median |
2 |
||||
| IQR(25%,75%) |
(1,3) |
|||||
| Range |
1.000 - 5.000 |
|||||
| Controls |
Mean±SD |
4.07±0.936 |
1893 |
1 |
1894 |
|
| Median |
4 |
|||||
| IQR(25%,75%) |
(4,5) |
|||||
| Range |
1.000 - 6.000 |
|||||
| Diabetes (p<0.0001) |
Cases |
Yes |
921 |
2613 |
5503 |
|
| No |
1969 |
|||||
| Controls |
Yes |
306 |
323 |
1894 |
||
| No | 1265 |
** Birthdate Year denotes decade of birth where 1=1910, 2=1920, 3=1930, 4=1940, 5=1950, 6=1960