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Table 2 Person days, Emergency Department (ED) Presentations and Hospital Admissions expressed as rates per 1000 person days, for participants in the OPEN ARCH study by Step, differences between Intervention and Control Periods analysed as Incident Rate Ratios (IRR)

From: Impact of an integrated community-based model of care for older people with complex conditions on hospital emergency presentations and admissions: a step-wedged cluster randomized trial

 

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

  1. Rate = (Events/Person Days) *1000. 95%Cis 95% Confidence Intervals