Surgeons’ Volume-Outcome Relationship for Lobectomies and Wedge Resections for Cancer Using Video-Assisted Thoracoscopic Techniques
Table 2
Comorbid conditions*, **.
VATS lobectomy
VATS wedge resection
All surgeons (including thoracic)
Thoracic surgeons (only)
All surgeons (including thoracic)
Thoracic surgeons (only)
Total (2,698)
716
546
1,982
1,350
Myocardial infarction, acute or old
0.11
0.12
0.08
0.09
Congestive heart failure
0.07
0.07
0.07
0.08
Other chronic or unspecified heart failure
0.02
0.02
0.02
0.03
Peripheral vascular disease
0.10
0.10
0.08
0.08
Dementia
0.03
0.03
0.02
0.01
Chronic pulmonary disease
0.50
0.50
0.47
0.49
Connective tissue disease
0.03
0.03
0.05
0.05
Liver disease
0.05
0.05
0.06
0.06
Chronic viral hepatitis
0.01
0.01
0.01
0.01
Renal insufficiency, chronic
0.04
0.04
0.05
0.05
Diabetes mellitus
0.19
0.18
0.19
0.20
*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.