Table 1.
Baseline study group characteristics in the total population and by follow-up completion status
| Total Population | Followed-up | Lost to follow-up | |
|---|---|---|---|
| Total no. (%) | 2206 (100.0) | 1649 (74.8) | 557 (25.2) |
| Age, years; mean (SD) | 43.7 (16.1) | 44.9 (16.5) | 40.5 (14.4) |
| Gender Female Male |
905 (41.0) 1301 (59.0) |
689 (41.8) 960 (58.2) |
216 (38.8) 341 (61.2) |
| Race Black or African American Hispanic or Latino Non-Hispanic White Other |
696 (31.6) 595 (27.0) 795 (36.0) 120 (5.4) |
498 (30.2) 445 (27.0) 603 (36.6) 103 (6.2) |
198 (35.5) 150 (26.9) 192 (34.5) 17 (3.1) |
| Insurance Status Private Medicare Medicaid Uninsured Other |
377 (17.1) 579 (26.2) 894 (40.5) 347 (15.7) 9 (0.4) |
309 (18.7) 478 (29.0) 606 (36.7) 250 (15.2) 6 (0.4) |
68 (12.2) 101 (18.1) 288 (51.7) 97 (17.4) 3 (0.5) |
| Language English Non-English |
1836 (83.2) 370 (16.8) |
1363 (82.7) 286 (17.3) |
473 (84.9) 84 (15.1) |
| Appointment at discharge No Yes |
861 (39.0) 1345 (61.0) |
597 (36.2) 1052 (63.8) |
264 (47.4) 293 (52.6) |
| Non-ophthalmic referrals at discharge No Yes |
1695 (76.8) 511 (23.2) |
1324 (80.3) 325 (19.7) |
371 (66.6) 186 (33.4) |
| Ophthalmology consult No Yes |
701 (31.8) 1505 (68.2) |
529 (32.1) 1120 (67.9) |
172 (30.9) 385 (69.1) |
| Nonurgent ophthalmic conditiona No Yes |
852 (39.1) 1329 (60.9) |
713 (39.8) 917 (60.2) |
224 (37.0) 328 (63.0) |
| Primary ophthalmic condition No Yes |
113 (5.1) 2093 (94.9) |
40 (2.4) 1634 (97.6) |
73 (13.1) 484 (86.9) |
| Days from ED visit to follow-up; mean (SD) | 5.5 (5.7) | 4.7 (4.9) | 8.1 (6.8) |
| BCVA of affected eyeb Worse than 20/40 20/40 or better |
500 (38.8) 1236 (71.2) |
411 (32.5) 853 (67.5) |
98 (20.4) 383 (79.6) |
| History of ophthalmology appointment in system No Yes |
1902 (86.2) 304 (13.8) |
1408 (85.4) 241 (14.6) |
494 (88.7) 63 (11.3) |
| History of missed follow-up No Yes |
2002 (90.8) 204 (9.2) |
1492 (90.5) 157 (9.5) |
510 (91.6) 47 (8.4) |
| Travel time to follow-up (min); mean (SD) | 19.0 (33.6) | 19.6 (38.0) | 17.4 (13.9) |
| Interpreter present if non-English speaker Yes No |
198 (53.5) 172 (46.4) |
172 (60.1) 114 (39.9) |
26 (40.0) 58 (60.0) |
a
Proportions calculated from 2,181 patients with an ophthalmic diagnosis classified into urgent or non-urgent status. Twenty-five patients did not have a primary or secondary ophthalmic diagnosis code and were not classified.
b
If both eyes affected, BCVA of worse eye
ED = Emergency department; SD = Standard deviation; BCVA = Best corrected visual acuity