Table 4.
Healthcare resource use by age and sex
| No. of office visits, mean (SD) | No. of hospitalized patients, no. (%) | No. of patients who visited the ED, no. (%) | ||||
|---|---|---|---|---|---|---|
| All cause (p < 0.001) | Urticaria relateda (p < 0.001) | All cause (p < 0.001) | Urticaria relateda (p = 0.073) | All cause (p < 0.001) | Urticaria relateda (p < 0.001) | |
| Age group (years) | ||||||
| ≤5 | 12.0 (7.7) | 2.8 (1.5) | 11 (2.4) | 1 (0.2) | 21 (4.6) | 3 (0.7) |
| 6–11 | 10.5 (10.6) | 3.0 (1.8) | 4 (1.1) | 0 (0.0) | 11 (3.1) | 1 (0.3) |
| 12–17 | 12.5 (11.0) | 3.5 (3.3) | 15 (4.6) | 0 (0.0) | 25 (7.7) | 2 (0.6) |
| 18–44 | 13.5 (11.7) | 3.4 (2.6) | 118 (5.7) | 1 (0.0) | 274 (13.2) | 19 (0.9) |
| 45–64 | 17.0 (14.4) | 3.7 (3.6) | 180 (9.1) | 6 (0.3) | 342 (17.3) | 32 (1.6) |
| ≥65 | 18.0 (12.3) | 3.4 (2.7) | 137 (11.7) | 1 (0.1) | 339 (29.1) | 64 (5.5) |
| No. of office visits, mean (SD) | No. of hospitalized patients, no. (%) | No. of patients who visited the ED, no. (%) | ||||
|---|---|---|---|---|---|---|
| All cause (p < 0.001) | Urticaria relateda (p < 0.015) | All cause (p < 0.196) | Urticaria relateda (p < 0.124) | All cause (p < 0.001) | Urticaria relateda (p < 0.001) | |
| Sex | ||||||
| Female | 15.9 (12.8) | 3.5 (3.0) | 330 (7.6) | 4 (0.1) | 742 (17.1) | 87 (2.0) |
| Male | 13.3 (12.0) | 3.3 (2.8) | 135 (6.7) | 5 (0.2) | 270 (13.4) | 34 (1.7) |
ED emergency department, SD standard deviation
p values: comparison across all categories
a“Urticaria-related” defined by the presence of an International Classification of Diseases, 9th Revision, Clinical Modification code of 708.x in the primary position on an inpatient claim and any position on an outpatient claim