Skip to main content

Table 5 Linear regression model and generalized linear model for incidence-based medical cost

From: Incidence, cost and gender differences of oropharyngeal and noncervical anogenital cancers in South Korea

Model

Variable

Univariate

Multivariate

Anal

Oropharynx a

Anal

Oropharynx a

β

p*

β

p*

β

p*

β

p*

Linear Regression Model

Sex (ref = female)

−0.104

0.024

0.483

<.001

−0.150

0.004

0.422

<.001

Age (ref = ≤65)

−0.180

<.001

−0.255

<.001

−0.136

0.001

−0.185

<.001

Year

0.102

<.001

0.053

0.002

0.101

<.001

0.046

0.003

Surgery (ref = inexperience)

1.040

<.001

1.001

<.001

1.037

<.001

0.956

<.001

Health plan type (ref = healthcare insurance)

0.113

0.174

−0.118

0.131

0.115

0.131

−0.121

0.091

CCI

−0.065

0.001

−0.079

<.001

0.003

0.987

−0.045

0.002

AIC

    

95,597

12,2571

Generalized Linear Model

Sex (ref = female)

−0.040

0.286

0.270

<.001

−0.088

0.012

0.249

<.001

Age (ref = ≤65)

−0.248

<.001

−0.145

<.001

−0.120

<.001

−0.118

<.001

Year

0.129

<.001

0.043

0.001

0.130

<.001

0.038

0.002

Surgery (ref = inexperience)

0.773

<.001

0.674

<.001

0.759

<.001

0.657

<.001

Health plan type (ref = healthcare insurance)

0.111

0.098

−0.003

0.965

0.129

0.040

0.013

0.823

CCI

−0.050

0.001

−0.052

<.001

−0.009

0.534

−0.034

0.003

AIC

    

103,891

132,144

  1. AIC Akaike Information Criterion, CCI, Charlson Comorbidity Index
  2. * p < 0.05
  3. a Oropharyngeal cancer, including the base of tongue and tonsil