TABLE 3.
Distribution of number of Emergency Department visits in the last 12 months by follow-up period: Vancouver, Toronto, and Ottawa, 2009–2013
| Number of ED visits | Baseline | FU1 | FU2 | FU3 | FU4 |
|---|---|---|---|---|---|
| 0 | 529 (45.2) | 482 (50.9) | 543 (57.2) | 565 (59.7) | 518 (58.7) |
| 1 | 223 (19.0) | 193 (20.4) | 191 (20.1) | 172 (18.2) | 166 (18.8) |
| 2 | 202 (17.3) | 102 (10.8) | 89 (9.4) | 90 (9.5) | 88 (10.0) |
| 3 | 68 (5.8) | 70 (7.4) | 46 (4.9) | 40 (4.2) | 42 (4.8) |
| >3 | 149 (12.7) | 100 (10.5) | 80 (8.4) | 79 (8.4) | 68 (7.7) |
| Total | 1171 (100) | 947 (100) | 949 (100) | 946 (100) | 882 (100) |
| Mean (SD) | 3.8 (11.9) | 3 (4.6) | 2.9 (5) | 2.7 (2.9) | 2.8 (4.1) |
| Median (IQR) | 2 (1, 3) | 2 (1, 3) | 2 (1, 3) | 2 (1, 3) | 2 (1, 3) |
Note. ED emergency department, FU follow-up, SD standard deviation, IQR interquartile range