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| Iowa NTG Cohort | Iowa Normal Controls | Iowa Population Controls | |
|---|---|---|---|
| Total | 308 | 157 | 1098 |
| Female | 213 | 84 | 589 |
| Male | 94 | 73 | 507 |
| XXY | 0 | 0 | 2 |
| Unknown | 1 | 0 | 0 |
| Mean age at enrollment | 69.4 | 70.1 | NA |
| Diagnosis | |||
| NTG | 308 | 0 | NA |
| Photoreceptor degeneration | NA | NA | 834 |
| Maculopathy | NA | NA | 148 |
| Congenital cataract | NA | NA | 77 |
| Other | NA | NA | 39 |
Abbreviations: not available (NA).
