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

Table 4

Volume and outcomes measures*.

	VATS lobectomy		VATS wedge resection
	All surgeons; (including thoracic)	Thoracic surgeons; (only)	All surgeons; (including thoracic)	Thoracic surgeons; (only)
Total 𝑁 (2,698)	716	546	1,982	1,350
Inpatient costs (dollars)	19,697	19,271	13,058	13,127
	[10,670]	[10,934]	[8,669]	[9,157]
Length of surgery (hours)	4.079	4.008	2.537	2.557
	[1.477]	[1.439]	[1.079]	[1.098]
Length of stay (days)	5.753	5.676	3.944	3.952
	[4.122]	[4.314]	[3.384]	[3.426]
Likelihood of adverse event	0.571	0.557	0.435	0.436
	[0.495]	[0.497]	[0.496]	[0.496]
Number of adverse events	1.126	1.092	0.722	0.740
	[1.361]	[1.347]	[1.062]	[1.094]
VATS six-month volume	28.42	31.64	22.30	24.59
	[30.80]	[33.57]	[27.11]	[30.56]
Open lobectomy six-month volume	5.27	5.46	5.52	5.38
	[4.54]	[4.51]	[5.48]	[4.85]
Open wedge Res six-month volume	3.66	3.73	4.02	3.97
	[3.11]	[2.89]	[3.75]	[3.43]

^* Standard deviations are reported in brackets.
^** ICD codes for these variables are found in Table 10.