Table 1.
Population Characteristics
| Characteristic | Total (n = 4512) | No Surgery (n = 3764) | Progressed to Surgery (n = 748) |
|---|---|---|---|
| Age (yrs)∗ | 65.0 ± 17.9 | 65.0 ± 18.1 | 64.8 ± 17.0 |
| IOP (mmHg) | |||
| Right eye | 18.3 ± 12.3 | 18.0 ± 6.2 | 20.1 ± 27.7 |
| Left eye | 18.8 ± 19.1 | 18.3 ± 6.5 | 21.8 ± 45.8 |
| VA (logMAR) | |||
| Right eye | 0.39 ± 0.74 | 0.39 ± 0.74 | 0.43 ± 0.76 |
| Left eye | 0.43 ± 0.78 | 0.43 ± 0.79 | 0.43 ± 0.76 |
| Female sex† | 2270 (50.3) | 1920 (51.0) | 350 (46.8) |
| Race | |||
| White | 1892 (41.9) | 1616 (42.9) | 276 (36.9) |
| Asian/Pacific Islander | 1225 (27.1) | 992 (26.4) | 233 (31.1) |
| Other/Native American | 991 (22.0) | 812 (21.6) | 179 (23.9) |
| Black | 216 (4.8) | 168 (4.5) | 48 (6.4) |
| Unknown | 188 (4.2) | 176 (4.7) | 12 (1.6) |
| Ethnicity | |||
| Non-Hispanic | 3791 (84.0) | 3159 (83.9) | 632 (84.5) |
| Hispanic/Latino | 566 (12.5) | 460 (12.2) | 106 (14.2) |
| Unknown | 155 (3.4) | 145 (3.9) | 10 (1.3) |
| Common glaucoma medication use | |||
| Latanoprost | 1570 (34.8) | 1279 (34.0) | 291 (38.9) |
| Bimatoprost | 413 (9.2) | 311 (8.3) | 102 (13.6) |
| Timolol | 1709 (37.9) | 1318 (35.0) | 391 (52.3) |
| Dorzolamide | 928 (20.6) | 678 (18.0) | 250 (33.4) |
| Brimonidine | 1212 (26.9) | 891 (23.7) | 321 (42.9) |
| Acetazolamide | 253 (5.6) | 178 (4.7) | 75 (10.0) |
IOP = intraocular pressure; logMAR = logarithm of the minimum angle of resolution; VA = visual acuity.
Data are presented as mean±standard deviation or no. (%).
∗
Numeric variables were standardized to a mean of 0 and variance of 1 before input into model, but reported here conventionally for ease of interpretation.
†
Categorical variables were separated into a series of Boolean dummy variables before input into model.