Table 1.
Demographics and rates of AAI prescriptions of patients admitted for anaphylaxis from 2009–2019
| 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total patients | 158 | 172 | 153 | 157 | 202 | 322 | 327 | 321 | 340 | 351 | 351 |
| Total admissions | 164 | 180 | 162 | 161 | 209 | 329 | 341 | 330 | 357 | 362 | 366 |
| Male gender | 92 (58.2%) | 106 (61.6%) | 91 (59.5%) | 78 (49.7%) | 108 (53.5%) | 159 (49.4%) | 157 (48.0%) | 149 (46.5%) | 171 (50.3%) | 178 (50.7%) | 184 (52.4%) |
| Median age (IQR) | 47 (38) | 45 (32) | 45 (31) | 46 (32) | 49 (35) | 45 (32) | 47 (1–95) | 51 (1-90) | 44 (1–98) | 45 (1–98) | 39 (1–97) |
| Paediatric (< 18 years) | 27 (17.1%) | 32 (18.6%) | 21 (13.7%) | 20 (12.7%) | 32 (15.8%) | 60 (18.6%) | 58 (17.7%) | 49 (15.3%) | 69 (20.3%) | 73 (20.8%) | 86 (24.5%) |
| Adult (≥ 18 years) | 131 (82.9%) | 140 (81.4%) | 132 (86.3%) | 137 (87.3%) | 170 (84.2%) | 262 (81.4%) | 269 (82.3%) | 272 (84.7%) | 271 (79.7%) | 278 (79.2%) | 265 (75.5%) |
| AAI prescriptions | |||||||||||
| Total patients prescribed AAI | 8 (5.1%) | 12 (7.0%) | 14 (9.2%) | 18 (11.5%) | 29 (14.4%) | 41 (12.7%) | 39 (11.9%) | 35 (10.9%) | 51 (15.0%) | 77 (21.9%) | 98 (27.9%) |
| Paediatric | 7 (25.9%) | 8 (25.0%) | 10 (47.6%) | 9 (45.0%) | 15 (46.9%) | 32 (53.3%) | 30 (51.7%) | 21 (42.8%) | 35 (50.7%) | 46 (63.0%) | 55 (64.0%) |
| Adult | 1 (0.8%) | 4 (2.9%) | 4 (3.0%) | 9 (6.6%) | 14 (8.2%) | 9 (3.4%) | 9 (3.3%) | 14 (5.1%) | 16 (5.9%) | 31 (11.2%) | 43 (16.2%) |