Research Article

Surgeons’ Volume-Outcome Relationship for Lobectomies and Wedge Resections for Cancer Using Video-Assisted Thoracoscopic Techniques

Table 2

Comorbid conditions*, **.

VATS lobectomyVATS wedge resection
All surgeons
(including thoracic)
Thoracic surgeons
(only)
All surgeons
(including thoracic)
Thoracic surgeons
(only)

Total (2,698)7165461,9821,350
Myocardial infarction, acute or old0.110.120.080.09
Congestive heart failure0.070.070.070.08
Other chronic or unspecified heart failure0.020.020.020.03
Peripheral vascular disease0.100.100.080.08
Dementia0.030.030.020.01
Chronic pulmonary disease0.500.500.470.49
Connective tissue disease0.030.030.050.05
Liver disease0.050.050.060.06
Chronic viral hepatitis0.010.010.010.01
Renal insufficiency, chronic0.040.040.050.05
Diabetes mellitus0.190.180.190.20

*Proportions of comorbid conditions existing for patients any time during or before procedure stay in Premier database (beginning in 2000).
**ICD codes for these variables are found in Table 10.