Table 2.
Surgical treatment of operable lung cancer patients from 2011 to 2020.
| Features | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Total | p-value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Surgical approach | <0.001 | |||||||||||
| Thoracotomy | 59.0% | 51.2% | 61.8% | 56.4% | 56.8% | 50.9% | 40.4% | 41.4% | 35.6% | 31.9% | 44.8% | <0.001 |
| VATS | 41.0% | 48.8% | 38.2% | 43.6% | 43.2% | 47.0% | 58.5% | 54.8% | 59.3% | 62.7% | 52.7% | <0.001 |
| RATS | 0% | 0% | 0% | 0% | 0% | 2.1% | 1.1% | 3.8% | 5.1% | 5.4% | 2.5% | <0.001 |
| Extent of resection | <0.001 | |||||||||||
| Wedge resection | 4.2% | 2.1% | 2.8% | 3.8% | 5.0% | 5.1% | 5.5% | 6.9% | 7.4% | 7.3% | 5.7% | <0.001 |
| Segmentectomy | 0% | 0.7% | 0.2% | 1.2% | 1.1% | 0.5% | 2.7% | 3.3% | 5.5% | 7.0% | 3.0% | <0.001 |
| Lobectomy | 80.6% | 78.4% | 80.9% | 83.3% | 80.6% | 83.3% | 82.0% | 79.3% | 80.2% | 81.0% | 81.1% | 0.357 |
| Bilobectomy | 7.6% | 9.1% | 6.2% | 5.3% | 5.9% | 4.4% | 4.7% | 4.4% | 2.7% | 2.1% | 4.4% | <0.001 |
| Pneumonectomy | 7.6% | 9.8% | 8.6% | 4.4% | 5.3% | 4.2% | 3.1% | 4.0% | 2.7% | 1.3% | 4.0% | <0.001 |
| Other | 0% | 0% | 1.3% | 2.0% | 2.1% | 2.5% | 2.0% | 2.1% | 1.5% | 1.3% | 1.8% | 0.047 |
| Lymph node dissection | <0.001 | |||||||||||
| No | 4.2% | 2.4% | 3.6% | 5.9% | 5.9% | 5.9% | 7.3% | 8.7% | 7.8% | 7.5% | 6.7% | <0.001 |
| Biopsy | 0% | 0% | 0.2% | 0.3% | 0.1% | 0.2% | 0.1% | 1.3% | 2.2% | 3.2% | 1.1% | <0.001 |
| Systematic sampling | 0% | 0.3% | 1.3% | 0.7% | 0.8% | 1.5% | 1.8% | 1.4% | 0.8% | 0.9% | 1.1% | 0.183 |
| SND | 95.1% | 96.5% | 91.4% | 88.4% | 87.2% | 86.8% | 87.2% | 85.7% | 86.3% | 85.9% | 87.4% | <0.001 |
| ELND | 0.7% | 0.8% | 3.5% | 4.7% | 6.0% | 5.6% | 3.6% | 3.0% | 2.9% | 2.5% | 3.7% | <0.001 |
| Postoperative length of stay | <0.001 | |||||||||||
| Mean ± SE (days) | 8.924 ± 6.330 | 9.213 ± 6.423 | 8.137 ± 4.346 | 8.427 ± 5.064 | 7.962 ± 5.150 | 7.816 ± 5.556 | 7.412 ± 10.659 | 6.538 ± 3.653 | 5.904 ± 2.881 | 5.862 ± 3.414 | 7.170 ± 5.945 | |
| 1-month postoperative mortality | 0.7% | 0.7% | 0.4% | 0.1% | 0.3% | 0.1% | 0.2% | 0.1% | 0.1% | 0.1% | 0.2% | 0.450 |
| 3-month postoperative mortality | 2.1% | 1.4% | 0.9% | 1.2% | 1.5% | 0.5% | 0.4% | 0.1% | 0.1% | 0.1% | 0.6% | <0.001 |
| 6-month postoperative mortality | 3.5% | 3.5% | 2.8% | 2.9% | 2.8% | 2.2% | 0.8% | 0.5% | 0.4% | 0.1% | 1.4% | <0.001 |
SE, standard error; VATS, video-assisted thoracic surgery; RATS, robot-assisted thoracic surgery; SND, systematic nodal dissection; ELND, extended lymph node dissection.