Table 1.
Descriptive Statistics of Participants at Baseline in the Advanced Imaging for Glaucoma Study, Divided by Clinical Center
| UP | UM | USC | Overall | |
|---|---|---|---|---|
| Number of Participants | ||||
| Normal | 56 | 49 | 40 | 145 |
| GSPPG | 158 | 104 | 132 | 394 |
| PG | 74 | 75 | 100 | 249 |
| Total | 288 | 228 | 272 | 788 |
| Number of Eyes | ||||
| Normal | 111 | 98 | 80 | 289 |
| GSPPG | 278 | 171 | 214 | 663 |
| PG | 110 | 117 | 150 | 377 |
| Total | 499 | 386 | 444 | 1329 |
| Age±SD (years) | ||||
| Normal | 53.1±9.0 | 59.2±10.2 | 56.8±8.7 | 56.2±9.7 |
| GSPPG | 60.1±9.8 | 63.9±9.3 | 58.4±8.8 | 60.5±9.5 |
| PG | 62.5±9.6 | 64.8±8.8 | 59.6±9.2 | 62.0±9.4 |
| Gender: Female (%) | ||||
| Normal | 75 | 55 | 63 | 64.8 |
| GSPPG | 66 | 63 | 52 | 60.7 |
| PG | 66 | 64 | 51 | 59.4 |
| Race: African American (%) | ||||
| Normal | 9 | 4 | 8 | 6.9 |
| GSPPG | 17 | 10 | 8 | 11.9 |
| PG | 14 | 8 | 10 | 10.4 |
UP = University of Pittsburgh; UM = University of Miami; USC = University of Southern California; GSPPG = glaucoma suspect/preperimetric glaucoma; PG = perimetric glaucoma; SD = standard deviation