Table 1. Baseline Demographic and Clinical Characteristics for Converters and Nonconverters.
| Mean(SD) | ||
|---|---|---|
| Characteristic | Convertersa (n=95) |
Nonconvertersb (n=544) |
| Age, y | 63 (11) | 56 (12) |
| Female sex, % | 60 | 55 |
| Race, % | ||
| White | 86 | 82 |
| Black | 13 | 14 |
| Asian | 1 | 4 |
| Baseline IOP, mm Hg | 30.1 (9.7) | 25.3 (6.5) |
| Central corneal thickness, μm | 556 (40) | 563 (37) |
| Baseline PSD, dB | 2.05 (0.38) | 1.68 (0.37) |
| Baseline vertical cup-disc ratio | 0.64 (0.18) | 0.55 (0.19) |
| Baseline glaucomatous optic disc grading, % | 65 | 35 |
| Evidence of optic disc progression during follow-up, % | 66 | 6 |
Abbreviations: IOP, intraocular pressure; PSD, pattern standard deviation.
a
Eyes that developed visual field loss during follow-up.
b
Eyes that did not develop visual field loss during follow-up.