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Table 2 Discharged EDLOS (Consulted and Non-Consulted), Admission EDLOS, Physician Initial Assessment, LWBS and Mortality

From: Implementing wait-time reductions under Ontario government benchmarks (Pay-for-Results): a Cluster Randomized Trial of the Effect of a Physician-Nurse Supplementary Triage Assistance team (MDRNSTAT) on emergency department patient wait times

 

Control

Trial

  

EP

MDRNSTAT

Combined (EP + MDRNSTAT)

Discharges LOS – Not Consulted

    

CTAS 2–3 n

1547

1156

379

1535

LOS (95t% CI)

4:29 (4:19–4:38)

4:07 (3:59–4:18)

4:01 (3:43–4:16)

4:05 (3:58–4:15)

  

p = .01, k = 0.1

p = .03, k = 0.1

p = .005, k = 0.1

Pay for Results Threshold (71%)

86.0%

89.1%

89.2%

89.1%

 

p = .02

p = .13

p = .01

CTAS 4–5 n

614

497

126

623

LOS (95% CI)

2:06 (2:02–2:14)

2:08 (2:01–2:21)

1:10 (0:58–1:19)

1:55 (1:48–2:05)

  

p = 0.74

p < .0001, k = 0.1

p = .12

Pay for Results Threshold (75%)

84.4%

81.1%

92.1%

83.3%

  

p = .17

p = .04

p = .67

Discharges LOS - Consulted

    

CTAS 2–3 n

305

205

81

286

LOS

7:19

7:06

6:25

6:48

  

p = 0.5

p = 0.1

p = .27

Pay for Results Threshold (71%)

57.0%

61.5%

64.2%

62.2%

  

p = .37

p = .30

p = .23

CTAS 4–5 n

37

32

6

38

LOS

4:57

4:40

4:19

4:40

  

p = .71

p = .95

p = .73

Pay for Results Threshold (75%)

40.5%

34.4%

50%

36.8%

  

p = .78

p = 1.0

p = .93

Admissions LOS

    

Admissions n

586

451

154

605

LOS

12:03

11:41

11:20

11:36

  

p = 0.24

p = 0.1

p = .21

Pay for Results Threshold (38%)

21.3%

22.6%

25.3%

23.3%

  

p = .67

p = 0.34

p = 0.34

Physician Initial Assessment

    

n

3092/3163

2341/2387

750

3091/3137

Pay for Results 90th percentile (3:48) (95th CI)

4:25 (4:11–4:36)

3:57 (3:47–4:08)

1:08 (1:01–1:14)

3:31 (3:22–3:42)

Median PIA (95th CI)

1:21 (1:18–1:25)

1:13 (1:10–1:16)

0:25 (0:23–0:26)

0:55 (0:53–0:58)

  

p = .0005

p < .0001

p < .0001

LWBS

    

n

69/3163

44/2387

4/750

48/3137

Percentage

2.2%

1.9%

0.53%

1.5%

 

p = 0.43

p = .001

p = .06

Mortality

    

n

5/3163

2/2387

0/750

2/3137

Percentage

0.16%

0.08%

0%

0.06%

  

p = .71

p = .59

p = .45

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