Table 2.

Subanalysis of ED user frequency by number of visits with admission data

NO. OF ANNUAL VISITSPATIENTS, N (%)VISITS, N (%)ADMISSIONS, N (%)
Average user (0–5)6554 (92.1)11702 (65.3)855 (72.8)
High-frequency user (6–11)446 (6.3)3381 (18.9)205 (17.4)
Very high-frequency user (12–19)85 (1.2)1235 (6.9)48 (4.1)
Super user (≥ 20)35 (0.5)991 (5.5)31 (2.6)
Other1 (0.01)*602 (3.4)36 (3.1)
  • ED—emergency department.

  • * Non-insured visits were removed from our analysis. In Ontario Health Insurance Plan data, they are all identified with the same patient identifier number and the number of visits by a specific patient is not available.