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Table 3 The results of the multiple generalized linear regression analyses exploring the predictors for the classified hospital costs associated with VATS lobectomy for lung cancer in a Chinese tertiary care hospital

From: Economic impact of powered stapler in video-assisted thoracic surgery lobectomy for lung Cancer in a Chinese tertiary hospital: a cost-minimization analysis

A Hospital costs for disposable supplies

Hospital cost classification

Hospital costs for disposable supplies

Variables

Coefficient

95% CI

P value

Lower

Upper

Intercept

9.279

9.203

9.357

< 0.001

Powered stapler vs. Manual stapler

−0.007

− 0.084

0.069

0.854

Demographics

 Male vs. female

0.041

−0.048

0.129

0.361

BMI

 18.5 < =BMI < 24 vs. Other BMI distribution ranges

−0.099

− 0.171

− 0.028

0.007

 24 < =BMI < 28 vs. Other BMI distribution ranges

−0.133

− 0.214

− 0.052

0.001

 30 < =BMI < 40 vs. Other BMI distribution ranges

−0.388

− 0.624

− 0.134

0.002

Tumor histology

 Adenocarcinoma vs. Non-adenocarcinoma

−0.041

− 0.108

0.025

0.225

Tumor stage

 Stage I vs. Non-stage I

0.058

−0.005

0.120

0.072

Bone marrow function

 Abnormal INR vs. Normal INR

0.141

−0.022

0.311

0.099

 Abnormal hemoglobin vs. Normal hemoglobin

0.076

− 0.004

0.157

0.066

Lobectomy site

 Upper left vs. Non-upper left site

−0.026

− 0.100

0.050

0.500

Comorbidity

 Hypertension vs. Non-hypertension

−0.051

− 0.128

0.026

0.193

 Immune system diseases vs. Non-immune system diseases

0.177

−0.193

0.583

0.355

 Breast diseases vs. Non-breast diseases

−0.524

− 0.917

− 0.075

0.015

B. Hospital for drugs

 Hospital cost classification

Hospital costs for drugs

 Variables

Coefficient

95% CI

P value

Lower

Upper

 Intercept

9.492

9.337

9.649

< 0.001

 Powered stapler vs. Manual stapler

−0.256

−0.375

−0.139

< 0.001

Demographics

 Male vs. female

0.041

−0.048

0.129

0.361

BMI

 24 < =BMI < 28 vs. Other BMI distribution ranges

−0.148

− 0.250

− 0.044

0.005

 28 < =BMI < 30 vs. Other BMI distribution ranges

−0.330

− 0.535

− 0.112

0.002

Residence city

 County vs. Other cities

0.134

−0.002

0.273

0.058

Marital status

 Married vs. Other marital status

−0.010

−0.129

0.106

0.864

Public health insurance plan

 Urban worker insurance plan vs. other insurance plan

−0.049

− 0.155

0.058

0.367

Tumor histology

 Adenocarcinoma vs. Non-adenocarcinoma

0.018

−0.074

0.109

0.702

Tumor stage

 Stage I vs. Non-stage I

−0.153

−0.240

− 0.067

< 0.001

Bone marrow function

 Abnormal platelet counts vs. normal platelet counts

0.233

0.085

0.386

0.002

Lobectomy site

 Upper left vs. Non-upper left site

0.029

−0.071

0.131

0.576

Comorbidity

 Diabetes vs. Non-diabetes

0.124

−0.017

0.270

0.091

 Cerebrovascular diseases vs. Non-cerebrovascular diseases

0.095

−0.018

0.210

0.103

 Urological diseases vs. Non-urological diseases

0.144

0.045

0.246

0.005

 Cardiovascular diseases vs. Non-cardiovascular diseases

0.073

−0.066

0.217

0.310

 Endocrine diseases vs. Non-endocrine diseases

−0.164

− 0.297

− 0.026

0.019

C. Hospital costs related to operation

 Hospital cost classification

Hospital costs related to operation

 Variables

Coefficient

95% CI

P value

Lower

Upper

 Intercept

8.925

8.856

8.994

< 0.001

 Powered stapler vs. Manual stapler

0.004

−0.065

0.072

0.909

Tumor stage

 Stage I vs. Non-stage I

−0.052

− 0.110

0.006

0.079

Lobectomy site

 Upper left vs. Non-upper left site

0.002

−0.070

0.075

0.954

Comorbidity

 Bronchial diseases vs. Non-bronchial diseases

0.108

0.015

0.203

0.025

 Immune system diseases vs. Non-immune system diseases

−0.393

− 0.707

− 0.047

0.019

 Cerebrovascular diseases vs. Non-cerebrovascular diseases

0.040

−0.038

0.120

0.316

 Urological diseases vs. Non-urological diseases

0.074

0.002

0.146

0.045

 Cardiovascular diseases vs. Non-cardiovascular diseases

0.066

−0.032

0.167

0.196

 Sport system diseases vs. Non-sport system diseases

0.071

−0.033

0.178

0.186

 Vascular diseases vs. Non-vascular diseases

0.088

− 0.142

0.334

0.472

D. Hospital costs for laboratory tests

 Hospital cost classification

Hospital costs for laboratory tests

 Variables

Coefficient

95% CI

P value

Lower

Upper

 Intercept

9.133

8.851

9.417

< 0.001

 Powered stapler vs. Manual stapler

−0.094

−0.203

0.014

0.082

Demographics

 Age

0.002

−0.003

0.007

0.367

 18.5 < =BMI < 24 vs. Other BMI distribution ranges

0.100

0.013

0.188

0.024

Public health insurance plan

    

Urban worker insurance plan vs. Other insurance plans

 New rural cooperative medical insurance vs. Other insurance plans

−0.029

− 0.128

0.071

0.562

Tumor histology

 Adenocarcinoma vs. Non-adenocarcinoma

−0.031

− 0.117

0.055

0.480

Tumor stage

 Stage I vs. Non-stage I

−0.033

− 0.113

0.048

0.427

Bone marrow function

 Abnormal white cell counts vs. Normal white cell counts

−0.117

−0.256

0.026

0.101

Lobectomy site

 Upper left vs. Non-upper left site

0.014

−0.082

0.111

0.781

Comorbidity

 Immune system diseases vs. Non-immune system diseases

−0.521

− 0.944

− 0.039

0.023

 Diabetes vs. Non-diabetes

0.165

0.030

0.305

0.019

 Cerebrovascular diseases vs. Non-cerebrovascular diseases

0.046

−0.063

0.157

0.415

 Urological diseases vs. Non-urological diseases

0.133

0.038

0.230

0.007

 Cardiovascular diseases vs. Non-cardiovascular diseases

0.088

−0.046

0.225

0.206

E. Other hospital costs

 Hospital cost classification

Other hospital costs

 Variables

Coefficient

95% CI

P value

Lower

Upper

 Intercept

7.707

7.618

7.798

< 0.001

 Powered stapler vs. Manual stapler

−0.008

−0.099

0.080

0.854

Tumor stage

 Stage I vs. Non-stage I

−0.083

−0.159

− 0.007

0.033

Lobectomy site

 Upper left vs. Non-upper left

−0.019

−0.111

0.075

0.684

Comorbidity

 Immune system diseases vs. Non-immune system diseases

−0.410

−0.817

0.054

0.064

 Diabetes vs. Non-diabetes

0.158

0.028

0.292

0.020

 Cerebrovascular diseases vs. Non-cerebrovascular diseases

0.068

−0.033

0.172

0.195

 Urological diseases vs. Non-urological diseases

0.176

0.084

0.269

< 0.001