Table 2.
Characteristics of admissions
| Pre-intervention period n=4118 |
Intervention period | ||||
| A n=4403 |
A+BC n=4587 |
ABC+D n=4454 |
ABCD+E n=4545 |
||
| Male, n (%) | 2250 (54.6) | 2335 (53.0) | 2499 (54.5) | 2426 (54.5) | 2564 (56.4) |
| Age≥40 years, n (%) | 2159 (52.4) | 2547 (57.8) | 2452 (53.5) | 2368 (53.2) | 2459 (54.1) |
| Coming during the day, n (%) | 2944 (71.5) | 3164 (71.9) | 3536 (77.1) | 3519 (79.0) | 3324 (73.1) |
| Waiting time>2 hours*, n (%) | 2755 (66.9) | 2754 (62.5) | 2377 (51.8) | 2100 (47.1) | 2125 (46.8) |
| Length of stay>3 hours, n (%) | 2045 (49.7) | 2481 (56.3) | 2002 (43.6) | 1601 (35.9) | 1595 (35.1) |
Coming during the day corresponded to admission between 08:00 and 19:59; Waiting time was defined as the interval between time of registration of patient’s arrival and first time of assessment by a nurse or an ophthalmologist; Length of stay was defined as the interval between registration and discharge. Components: A corresponds to computerised triage algorithm, BC corresponds to signage and message broadcast, D corresponds to mediator and E corresponds to video surveillance.
*Waiting time was not documented for 108 admissions.