Table 4

Coefficients from multivariate model using NLCA data and from Thoracoscore

Thoracoscore6NLCA data
Definition of early mortality30 days or in hospital90 days
Number of deaths218169
Age (years)
ASA score
Performance status
MRC dyspnoea score
% predicted FEV1
Procedure class
 (Bi-)lobectomy, wedge or segmentectomy
Diagnosis group
Comorbidity score§
Charlson index
 IIA or IIB0.51
  • *Only 40 patients and two deaths in this group.

  • †Other includes mediastinoscopy or other mediastinal surgery, wedge resection, lobectomy or bi-lobectomy.

  • ‡Other includes procedures listed in online supplementary appendix A. Odds=exp (total of coefficients+constant); probability of death=odds/(1+odds).

  • §Number of significant comorbid conditions, including smoking, history of cancer, chronic obstructive pulmonary disease, diabetes mellitus, arterial hypertension, peripheral vascular disease, obesity and alcoholism.

  • ASA, American Society of Anaesthesiologists; FEV1, forced expiratory volume in 1 s; MRC, Medical Research Council; NLCA, National Lung Cancer Audit; –, indicates baseline group.