Table 2.
Patient characteristics between the not likely emergent, likely emergent, and undetermined diagnosis groups.
| Factor | Total | Not likely emergent | Likely emergent | Undetermined | P value |
|---|---|---|---|---|---|
| N = 5,422 | N = 1,165 | N = 4,048 | N = 209 | ||
| Male (%) | 3,212 (59.2) | 617 (53.0) | 2,483 (61.3) | 112 (53.6) | <0.001 |
| Age (years)a | 42.3 ± 20.0 | 38.8 ± 21.9 | 42.8 ± 19.3 | 52.1 ± 19.9 | <0.001 |
| Time of ED visit | |||||
| Morning shift (%) | 1,893 (34.9) | 366 (31.4) | 1,430 (35.3) | 97 (46.4) | <0.001 |
| Evening shift (%) | 2,382 (43.9) | 483 (41.5) | 1,816 (44.9) | 83 (39.7) | |
| Midnight shift (%) | 1,147 (21.2) | 316 (27.1) | 802 (19.9) | 29 (13.9) | |
| Referral from other institutes (%) | 911 (16.8) | 142 (12.2) | 722 (17.8) | 47 (22.5) | <0.001 |
| Consultation time (mins)a | 84.8 ± 62.0 | 70.1 ± 49.9 | 88.8 ± 64.7 | 88.6 ± 57.1 | <0.001 |
| Trauma (%) | 2,551 (47.0) | 200 (17.2) | 2,341 (57.8) | 10 (4.8) | <0.001 |
| Chief complaint duration | |||||
| <1 day (%) | 4,182 (77.1) | 817 (70.1) | 3,225 (79.7) | 140 (67.0) | <0.001 |
| 1–7 days (%) | 861 (15.9) | 242 (20.8) | 570 (14.1) | 49 (23.4) | |
| >7 days (%) | 379 (7.0) | 106 (9.1) | 253 (6.3) | 20 (9.6) | |
| Outcome | |||||
| Discharge after treatment (%) | 4,563 (84.2) | 1,102 (94.6) | 3,300 (81.5) | 161 (77.0) | <0.001 |
| Oph interventions or admission (%) | 558 (10.3) | 0 | 529 (13.1) | 29 (13.9) | <0.001 |
| Oph interventions (%) | 541 (10.0) | 0 | 514 (12.7) | 27 (12.9) | <0.001 |
| Oph admission (%) | 473 (8.7) | 0 | 451 (11.1) | 22 (10.5) | <0.001 |
| Admission to other wards (%) | 386 (7.1) | 63 (5.4) | 297 (7.3) | 26 (12.4) | 0.001 |
| ED revisit within 72 hours (%) | 54 (1.0) | 11 (0.9) | 37 (0.9) | 6 (2.9) | 0.021 |
| Out-patient clinic follow-up (%) | 2,927 (54.0) | 447 (38.4) | 2,341 (57.8) | 139 (66.5) | <0.001 |
| LogMAR visual acuitya | 0.6 ± 0.8 | 0.3 ± 0.5 | 0.7 ± 0.8 | 1.0 ± 0.9 | <0.001 |
ED: emergency department, Oph: ophthalmology.
aThe value is presented as mean ± standard deviation.