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Table 3 Comparison of initial visit and readmission to the ED (secondary endpoints)

From: “Analysis of readmissions to the emergency department among patients presenting with abdominal pain”

 

Initial visit

Readmission

p

OR

95% CI

No of visits - n (% of all visits)

928

88.38%

122

11.62%

   

Total time spent on the ED - hours (IQR)

4

(2.75–6.04)

4.68

(3.48–6.98)

0.0054

  

Not the last visit - n repeated visits (% of visits)

101

10.88%

21

17.21%

0.0422

1.7

1.02–2.85

Number of additional imaging tests - n (% of visits)

 0

889

95.80%

115

94.26%

   

 1

39

4.20%

6

4.92%

0.6897

  

 2

0

0%

1

0.82%

   

Admission to hospital ward –n (% of visits)

230

24.78%

47

38.52%

0.0014

1.90

1.28–2.82

Admission to surgical ward - n (% of visits)

97

10.45%

29

23.77%

< 0.001

2.67

1.67–4.26

Qualification for invasive surgical treatment - n (% of group)

61

6.57%

18

16.83%

0.0017

2.46

1.40–4.32

Indication

Cholelithiasis/gallstones

11

18.03%

8

44.44%

0.0259

3.64

1.17–11.32

Appendicitis

20

32.79%

3

16.67%

0.1859

0.41

0.11–1.58

Hernia

8

13.11%

0

0.00%

0.2314

0.17

0.01–3.09

Acute pancreatitis

7

11.48%

1

5.56%

0.5740

0.53

0.06–4.68

Obstruction

4

6.56%

1

5.56%

0.8782

0.83

0.09–8.01

Neoplasm

3

4.92%

1

5.56%

0.9137

1.13

0.11–11.65

Peptic ulcer

3

4.92%

0

0.00%

0.6047

0.45

0.02–9.15

Other

5

8.20%

4

22.22%

0.1132

3.20

0.76–13.50

Conversion - n (% of group)

2

3.28%

0

0.00%

0.7789

0.64

0.03–14.01

Postoperative complications - n (% of group)

8

13.11%

2

11.10%

0.8225

0.82

0.16–4.30

Death - n (% of group)

1

1.03%

0

0.00%

0.9584

1.09

0.04–27.91

Length of hospital stay - days (IQR)

3

(2–5)

4

(3–6)

0.0443

  
  1. ED – Emergency Department; IQR – interquartile range