Skip to main content

Table 2 Univariate and multivariate analyses of likelihood of laparoscopic bariatric surgery (LBS) by socioeconomic status (SES) groups in Taiwan

From: A population-based analysis of use and outcomes of laparoscopic bariatric surgery across socioeconomic groups in Taiwan

Variables

Univariate analysis

Multivariate analysisa

OR

(95 % CI)

P value

OR

(95 % CI)

P value

SES

 Low

1.00

  

1.00

  

 Medium

1.36

(1.12–1.65)

0.002

1.28

(1.04–1.58)

0.022

 High

1.82

(1.42–2.33)

<0.001

1.48

(1.13–1.95)

0.004

Patient characteristics

 Age (years)

  18–29

1.00

  

1.00

  

  30–39

1.14

(0.90–1.43)

0.281

0.83

(0.65–1.07)

0.157

  40–49

0.93

(0.65–1.33)

0.705

0.79

(0.55–1.12)

0.184

   ≥ 50

0.78

(0.41–1.50)

0.463

0.71

(0.32–1.57)

0.401

 Gender

  Male

1.00

  

1.00

  

  Female

0.95

(0.74–1.24)

0.727

0.87

(0.66–1.15)

0.332

 Geographic location

  Northern

1.00

  

1.00

  

  Central

1.19

(0.61–2.34)

0.611

1.97

(1.23–3.16)

0.005

  Southern

1.14

(0.56–2.34)

0.714

2.72

(1.42–5.20)

0.002

  Eastern

0.42

(0.14–1.21)

0.108

0.83

(0.48–1.45)

0.921

 CCI score

   < 3

1.00

  

1.00

  

   ≥ 3

1.12

(0.72–1.75)

0.601

1.09

(0.72–1.64)

0.683

Hospital accreditation

 Medical centers

1.00

  

1.00

  

 Regional hospitals

10.09

(4.05–25.09)

<0.001

4.58

(2.10–9.99)

<0.001

 District hospitals

5.15

(2.71–20.53)

<0.001

7.16

(2.07–24.79)

0.002

Surgeon age (years)

1.00

(0.99–1.02)

0.949

0.95

(0.90–1.00)

0.053

Surgeon surgical volume (cases per year)

 Low (<15)

1.00

  

1.00

  

 High (≥15)

10.11

(5.24–19.51)

<0.001

8.24

(2.90–23.39)

<0.001

Year of operation

 2004

1.00

  

1.00

  

 2005

0.91

(0.46–1.78)

0.774

0.73

(0.39–1.37)

0.326

 2006

0.93

(0.16–5.53)

0.938

0.85

(0.32–2.30)

0.755

 2007

1.53

(0.23–10.25)

0.66

1.78

(0.67–4.71)

0.247

 2008

2.09

(0.27–16.37)

0.483

2.46

(0.82–7.36)

0.109

 2009

2.13

(0.31–14.89)

0.445

2.62

(0.69–9.89)

0.156

 2010

2.82

(0.45–17.76)

0.269

3.79

(1.17–12.30)

0.026

 2011

4.86

(0.76–31.16)

0.096

8.24

(2.59–26.18)

0.001

  1. aAdjusted for patient characteristics, hospital accreditation, age and surgical volume of surgeon, and year of operation