Introduction
Patients and methods
Data collection
Patient cohort
Outcome measures
Statistical analysis
Results
Risk profile of study cohort
Outcomes
Model results
β coefficient | p value | Mortality model OR (95% CI) | |
---|---|---|---|
Sex male | 1.014 | < 0.001 | 2.756 (1.760–4.315) |
BMI under 18.5 | 0.928 | < 0.001 | 2.529 (1.834–3.488) |
PS2 or over | 0.670 | 0.004 | 1.954 (1.231–3.102) |
Interstitial pneumonia | 0.485 | 0.020 | 1.624 (1.079–2.446) |
Central nerve system disorder | 0.693 | < 0.001 | 2.000 (1.375–2.910) |
Autoimmune disease | 1.026 | 0.001 | 2.789 (1.558–4.996) |
Cigarette smoking habit | 0.659 | 0.007 | 1.934 (1.199–3.118) |
Induction radiotherapy or chemoradiotherapy | 0.806 | 0.003 | 2.238 (1.309–3.826) |
Clinical N1or highera | 0.498 | 0.002 | 1.645 (1.202–2.252) |
Clinical stage IB or highera | 0.409 | 0.012 | 1.505 (1.096–2.068) |
Surgical procedure | |||
Right pneumonectomy | 2.460 | < 0.001 | 11.070 (6.518–21.001) |
Right lower lobectomy | 1.412 | < 0.001 | 4.102 (3.137–5.365) |
Left pneumonectomy | 0.897 | 0.026 | 2.451 (1.114–5.395) |
Bronchoplasty with segmentectomy or lobectomy | 1.679 | < 0.001 | 5.358 (3.438–8.358) |
Hilar nodal dissection or more | 1.317 | 0.001 | 3.733 (1.732–8.047) |
Combined resection | |||
Chest wall resection | 0.926 | 0.005 | 2.524 (1.315–4.844) |
Wedge resection or segmentectomy of lung | 0.722 | 0.011 | 2.058 (1.178–3.596) |
Intercept (β0) | −9.476 |
β coefficient | p value | Mortality model OR (95% CI) | |
---|---|---|---|
Sex male | 0.476 | 0.004 | 1.595 (1.163–2.188) |
Age categorya | 0.219 | < 0.001 | 1.245 (1.156–1.341) |
BMI under 18.5 | 0.738 | < 0.001 | 2.091 (1.613–2.710) |
BMI over 30 | 0.682 | 0.008 | 1.978 (1.198–3.265) |
Performance status 1 | 0.629 | < 0.001 | 1.875 (1.499–2.345) |
Performance status 2 or higher | 0.724 | < 0.001 | 2.063 (1.452–2.930) |
% VC 10% decrease (100–50%) | 0.308 | < 0.001 | 1.361 (1.273–1.455) |
FEV1% 10% decrease (100–50%) | 0.550 | < 0.001 | 1.734 (1.343–2.239) |
Liver cirrhosis (Child–Pugh B/C) | 1.323 | < 0.001 | 3.756 (1.807–7.808) |
Interstitial pneumonia | 1.107 | < 0.001 | 3.024 (2.312–3.956) |
Coronary artery disease | 0.422 | 0.006 | 1.524 (1.127–2.062) |
Central nerve system disorder | 0.575 | < 0.001 | 1.776(1.342–2.352) |
Arrhythmia | 0.610 | 0.001 | 1.840 (1.301–2.603) |
Cigarette smoking 30 pack-years or more | 0.462 | 0.001 | 1.587 (1.214–2.074) |
Tumor size > 3 cm | 0.343 | 0.005 | 1.410 (1.108–1.793) |
Clinical T1b or higherb | 0.299 | 0.025 | 1.349 (1.038–1.753) |
Clinical T3 or higherb | 0.350 | 0.033 | 1.419 (1.028–1.980) |
Clinical stage III or higherb | 0.386 | 0.011 | 1.471 (1.092–1.958) |
Histology squamous cell carcinoma | 0.369 | 0.001 | 1.447 (1.166–1.795) |
Superior sulcus tumor | 0.516 | 0.022 | 1.675 (1.079–2.601) |
Multiple lung cancers | 0.984 | < 0.001 | 2.675 (1.722–4.157) |
Surgical procedure | |||
Right pneumonectomy | 1.538 | < 0.001 | 4.655 (2.507–8.642) |
Right upper lobectomy | 0.350 | 0.002 | 1.418 (1.135–1.772) |
Bilobectomy | 1.425 | < 0.001 | 4.159 (2.223–7.282) |
Bronchoplasty with segmentectomy or lobectomy | 0.651 | 0.009 | 1.917 (1.174–3.131) |
Hilar nodal dissection or more | 0.813 | < 0.001 | 2.254 (1.591–3.193) |
Combined resection | |||
Chest wall resection (other than first rib) | 0.857 | 0.001 | 2.356 (1.447–3.835) |
Chest wall resection (first rib) | 1.257 | 0.004 | 3.515 (1.492–8.282) |
Intercept (β0) | −9.741 |