Table 1. Demographic and Clinical Characteristics of Study Patients.
| Characteristic | Mean (SD) | |
|---|---|---|
| African Descent | European Descent | |
| Total eyes | 235 | 236 |
| Total patients | 171 | 173 |
| Age, y | 60.0 (10.6) | 60.8 (9.1) |
| Women, No. (%) | 55 (32.2) | 50 (28.9) |
| Baseline SAP MD 24-2, dB | −6.5 (6.7) | −6.4 (5.5) |
| Baseline SAP PSD 24-2, dB | 5.5 (3.7) | 6.9 (4.0) |
| Baseline IOP, mm Hg | 17.4 (5.2) | 19.4 (7.4) |
| Baseline RNFL thickness, μm | 78.9 (17.5) | 74.1 (15.5) |
| Progressing eyes, % | 31 (13.2) | 40 (16.9) |
| Rate of change in progressing eyes, dB/y | −0.6 (0.6) | −0.6 (0.5) |
| Follow-up time, y | 8.6 (0.2) | 6.4 (0.3) |
| No. of tests | 13.6 (6.1) | 13.2 (6.4) |
| Education level (at least high school degree), No. (%) | 67 (39.2) | 83 (48.0) |
| Income (>$25 000), No. (%) | 69 (40.4) | 88 (50.9) |
| Marital status (married), No. (%) | 33 (19.3) | 68 (39.3) |
| Insurance (yes), No. (%) | 92 (53.8) | 92 (53.2) |
Abbreviations: IOP, intraocular pressure; MD, mean deviation; PSD, pattern standard deviation; RNFL, retinal nerve fiber layer; SAP, standard automated perimetry.