| Person days | ED Presentations | Hospital Admissions |
---|---|---|---|
Control Period | |||
 Step 1 | |||
  Window 1 | 2585 | 6 | 4 |
 Step 2 | |||
 Window 1 | 2276 | 13 | 14 |
  Window 2 | 2327 | 6 | 10 |
 Step 3 | |||
  Window 1 | 2240 | 3 | 3 |
  Window 2 | 2558 | 9 | 9 |
  Window 3 | 1953 | 2 | 7 |
  Total days or events | 13,939 | 39 | 47 |
  Total Rate |  | 2.80 | 3.37 |
  95% CIs |  | (1.99–3.82) | (1.78–3.48) |
Intervention Period | |||
 Step 1 | |||
  Window 2 | 2784 | 8 | 6 |
  Window 3 | 2545 | 4 | 4 |
  Window 4 | 2148 | 3 | 5 |
 Step 2 | |||
  Window 3 | 2464 | 9 | 8 |
  Window 4 | 2170 | 8 | 8 |
 Step 3 | |||
  Window 4 | 2561 | 5 | 7 |
  Total days or events | 14,672 | 37 | 38 |
  Total Rate |  | 2.52 | 2.59 |
  95% CIs |  | (2.48–4.48) | (1.83–3.55) |
Intervention Period compared to Control Period | |||
 Incidence Rate Ratio (IRR) | |||
  IRR |  | 0.90 | 0.77 |
  95% CIs |  | (0.66–1.27) | (0.58–1.05) |
  1 sided p |  | 0.254 | 0.040 |
  2 sided p |  | 0.508 | 0.080 |