Research Article

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

Table 6

Multivariable results for cost, utilization, and adverse events (including non-VATS volume).

Lobectomy for all surgeonsLobectomy for Thoracic Surgeons onlyWedge Resection for All Surgeons Wedge Resection for Thoracic Surgeons
only
VATS surgeon volumeOpen lobectomy volumeOpen wedge volumeVATS surgeon volumeOpen lobectomy volumeOpen wedge volumeVATS surgeon volumeOpen lobectomy volumeOpen wedge volumeVATS surgeon volumeOpen lobectomy volumeOpen wedge volume

Cost (dollars)
 Regression coefficient
 (marginal effects)
−0.062***−0.0140.044−0.092***0.006−0.058***−0.034***−0.037***−0.0043−0.0474***−0.0682***−0.0077
 Standard deviation[0.0162][0.026][0.0287][0.0172][0.0277][0.0274][0.0093][0.0136][0.0163][0.0103][0.0149][0.0181]
Length of Surgery (Hours)
 Regression coefficient
 (marginal effects)
−0.043***−0.003−0.0195−0.074***−0.002−0.0100−0.032***−0.083***−0.017−0.0339***−0.089***−0.022
 Standard deviation[0.0137][0.0239][0.0262][0.0152][0.0295][0.0277][0.0076][0.0100][0.0118][0.0084][0.0124][0.0251]
Length of Stay (Days)
 Regression coefficient
 (marginal effects)
−0.087***0.022−0.062*−0.104***0.048−0.079***−0.063***−0.062***−0.0005−0.066***−0.069***0.0036
 Standard deviation[0.0162][0.027][0.0325][0.0234][0.0318][0.0361][0.0128][0.0214][0.0233][0.0141][0.0236][0.0123]
Likelihood of Adverse Events
 Regression coefficient
 (marginal effects)
−0.002*−0.009−0.005−0.002***−0.012−0.009−0.0002−0.0035−0.0009−0.00085−0.0033−0.00595
 Standard deviation[0.0009][0.008][0.010][0.0010][0.011][0.011][0.0006][0.0034][0.0058][0.0007][0.0046][0.0061]
Number of Adverse Events
 Regression coefficient
 (marginal effects)
−0.005***−0.032***0.013−0.163***−0.180***0.0330.0022−0.1005***0.0398−0.0289−0.0998***−0.0039
 Standard deviation[0.0019][0.0143][0.0208][0.0498][0.0732][0.0729][0.0278][0.0389][0.0455][0.0292][0.0428][0.0427]

Estimated marginal effects are reported, standard deviations are reported in brackets, * and *** indicate significance at the 10% and 1% levels.