Table 1.
Demographics
| Demographics | Year | ||||
|---|---|---|---|---|---|
| 2008 | 2009 | 2010 | 2011 | 2012 | |
| Total number seen | 41,128 | 42,812 | 40,111 | 44,069 | 40,465 |
| CTAS 1, N (%) | 124 (0.3) | 191 (0.4) | 247 (0.6) | 216 (0.5) | 197 (0.5) |
| CTAS 2, N (%) | 3286 (8.0) | 3714 (8.7) | 4619 (11.5) | 5021 (11.4) | 5065 (12.5) |
| CTAS 3, N (%) | 13,765 (33.5) | 13,701 (32.0) | 13,496 (33.6) | 15,048 (34.1) | 14,116 (34.8) |
| CTAS 4, N (%) | 21,661 (52.7) | 21,909 (51.2) | 19,031 (47.4) | 21,373 (48.5) | 19,626 (48.5) |
| CTAS 5, N (%) | 2070 (5.0) | 2640 (6.2) | 2718 (6.8) | 1865 (4.2) | 1343 (3.3) |
| Missing CTAS, N (%) | 222 (0.5) | 657 (1.5) | 0 (0) | 546 (1.2) | 118 (0.3) |
| Median age (interquartile range) | 3.9 (1.4, 9.0) | 4.3 (1.6, 9.5) | 4.1 (1.5, 9.4) | 4.2 (3.0, 9.0) | 4.4 (1.6, 9.5) |
| Male % (95% CI) | 55.9 (55.5, 56.4) | 56.6 (56.1, 57.0) | 56.3 (55.9,56.8) | 56.1 (55.6, 56.5) | 56.9 (56.4, 57.4) |
| Admission % (95% CI) | 8.2 (7.9, 8.4) | 7.8 (7.5, 8.1) | 8.9 (8.64, 9.20) | 8.8 (8.5, 9.0) | 9.2 (9.0, 9.5) |
| PICU admission % (95% CI) | 0.4 (0.32, 0.45) | 0.4 (0.34, 0.47) | 0.6 (0.50, 0.65) | 0.6 (0.49, 0.63) | 0.7 (0.59, 0.75) |
| Mortality/1000 (95% CI) | 0.1 (0.1, 0.3) | 0.3 (0.1, 0.5) | 0.3 (0.2, 0.6) | 0.3 (0.1, 0.5) | 0.3 (0.1, 0.5) |
| RTED % (95% CI) | 11.8 (11.5, 12.2) | 10.4 (10.1, 10.7) | 10.2 (9.9, 10.4) | 10.3 (10.0, 10.6) | 9.6 (9.3, 9.9) |
| LWBS % (95% CI) | 2.3 (2.1, 2.4) | 3.9 (3.7, 4.1) | 2.9 (2.7, 3.0) | 5.1 (4.9, 5.3) | 4.8 (4.6, 5.0) |
| Median LOS (min) (interquartile range) | 157 (103, 243) | 174 (114, 264) | 168 (110, 260) | 191 (125–285) | 234 (123–296) |
CI confidence interval; CTAS Canadian Triage and Acuity Scale; LOS length of stay; LWBS leaving without being seen; PICU paediatric intensive care unit; RTED return to emergency department