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Table 2 Independent factors associated with the unplanned 3-day ED re-attendance rate

From: Unplanned 3-day re-attendance rate at Emergency Department (ED) and hospital’s bed occupancy rate (BOR)

Parameter

Risk ratio

95 % Confidence interval

p value

Lower

Upper

Hospital [C]

    

 A

1.63

1.36

1.96

<0.001

 B

0.64

0.58

0.71

<0.001

Day of week a [Thu]

    

 Mon

2.27

1.94

2.67

<0.001

 Tue

1.71

1.46

2.01

<0.001

 Wed

1.19

1.01

1.39

<0.001

 Fri

2.05

1.75

2.40

<0.001

 Sat

1.82

1.55

2.13

<0.001

 Sun

3.09

2.61

3.65

<0.001

Month a [Jan]

    

 Feb

1.22

0.99

1.51

0.058

 Mar

1.10

0.90

1.35

0.366

 April

1.26

1.03

1.55

0.027

 May

1.19

0.97

1.45

0.101

 Jun

1.15

0.94

1.41

0.180

 Jul

1.00

0.82

1.23

0.992

 Aug

1.14

0.93

1.41

0.196

 Sep

1.03

0.84

1.27

0.756

 Oct

1.03

0.84

1.26

0.786

 Nov

1.04

0.85

1.28

0.687

 Dec

1.15

0.94

1.41

0.185

Public holidaya

1.07

0.84

1.36

0.581

BOR a

1.01

1.00

1.02

<0.001

Admission rate a

0.99

0.98

1.00

0.028

BWT (95th percentile)a

0.98

0.97

1.00

0.059

Time trend

1.00

1.00

1.00

<0.001

  1. Significant factors were italicized
  2. aRefers to the index visit to ED