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 surgeons | Lobectomy for Thoracic Surgeons only | Wedge Resection for All Surgeons |
Wedge Resection for Thoracic Surgeons | | | | | | | | | | | | only | | | VATS surgeon volume | Open lobectomy volume | Open wedge volume | VATS surgeon volume | Open lobectomy volume | Open wedge volume | VATS surgeon volume | Open lobectomy volume | Open wedge volume | VATS surgeon volume | Open lobectomy volume | Open wedge volume |
| Cost (dollars) | | | | | | | | | | | | | Regression coefficient (marginal effects) | −0.062*** | −0.014 | 0.044 | −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*** | 0.033 | 0.0022 | −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] |
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Estimated marginal effects are reported, standard deviations are reported in brackets, * and *** indicate significance at the 10% and 1% levels.
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