Skip to main content

Table 2 Results of the multivariate ordered logistic (1) and logistic (2) regression models

From: Characteristics of patients returning to emergency departments in Naples, Italy

Model 1. Number of Emergency Department visits in the previous year

    

Variable

Coeff.

SE

z

p

Log likelihood = -1347.38, χ2 = 99.01 (6 df), p < 0.0001

    

On pharmacological treatment

0.51

0.12

4.13

< 0.001

Comorbidity index

0.17

0.07

2.48

0.013

Distance from patients' home to hospital:

 

   > 10 Km*

-

-

-

-

   < 1 Km

0.27

0.11

2.49

0.013

Educational level

-0.03

0.15

-1.82

0.069

Employment status

-0.2

0.11

-1.76

0.079

Basic Activities of Daily Living score

-0.09

0.05

-1.71

0.088

Variable

OR

SE

95% CI

p

Model 2. Index visit as a re-utilization of the Emergency Department after 72 hours from a previous Emergency Department visit

    

Log likelihood = -451.26, χ2 = 284.73 (15 df), p < 0.0001

    

Number of Emergency Department visits in the previous year

5.0

0.65

3.89–6.45

< 0.001

Referral

3.12

0.86

1.81–5.35

< 0.001

Duration of presenting problem prior to arrive at the Emergency Department:

    

   < 1 hour*

1.0

   

   1–24 hours

1.91

0.42

1.25–2.94

0.003

   > 24 hours

2.06

0.51

1.27–3.37

0.004

On pharmacological treatment

0.56

0.13

0.36–0.86

0.009

Mode of transportation to the Emergency Department:

    

   Ambulance*

1.0

   

   Car driven by other person

3.22

1.61

1.21–8.58

0.019

   Car driven by patient/On foot

2.54

1.36

0.89–7.24

0.08

Emergency Department discharge diagnosis

1.56

0.3

1.07–2.28

0.022

Hospital admission after Emergency Department visit

1.82

0.51

1.06–3.14

0.031

Age

0.99

0.01

0.98–0.99

0.039

Therapeutic procedure(s) received at the Emergency Department

0.69

0.14

0.47–1.01

0.057

Physician consultation(s) received at the Emergency Department

0.72

0.14

0.49–1.07

0.1

Day of the week of attending the Emergency Department

1.42

0.34

0.89–2.26

0.14

Prescription of therapy

0.8

0.15

0.55–1.16

0.24

Investigation(s) received at the Emergency Department

0.82

0.16

0.57–1.19

0.31

  1. *Reference category