Table 1.
The change in basic and perioperative factors of primary lung cancer.
| 2019 | 2020 | vs 2019 | ||
|---|---|---|---|---|
| Age | −59 | 5627 (11·6%) | 5058 (11·0%) | −0·6% |
| 60–69 | 12,892 (26·7%) | 11,597 (25·3%) | −1·4% | |
| 70–79 | 22,997 (47·6%) | 22,616 (49·3%) | 1·7% | |
| 80- | 6801 (14·1%) | 6647 (14·5%) | 0·4% | |
| Sex | female | 19,150 (39·6%) | 17,786 (38·7%) | −0·9% |
| male | 29,167 (60·4%) | 28,132 (61·3%) | 0·9% | |
| PS | PS0 | 40,591 (84·0%) | 38,558 (84·0%) | 0·0% |
| PS1 | 5951 (12·3%) | 5630 (12·3%) | 0·0% | |
| PS2-4 | 1775 (3·7%) | 1730 (3·8%) | 0·1% | |
| Neoadjuvant therapy | 953(2·1%) | 911(2·1%) | 0·0% | |
| Mode of surgery | Pneumonectomy | 283 (0·6%) | 255 (0·6%) | 0·0% |
| Segmentectomy | 5501 (11·4%) | 5866 (12·8%) | 1·4% | |
| Lobectomy | 33,809 (70·0%) | 31,061 (67·6%) | −2·4% | |
| Partial resection | 8721 (18·0%) | 8732 (19·0%) | 1·0% | |
| Approach | Robotic | 2073 (4·3%) | 3092 (6·7%) | 2·4% |
| VATS | 41,369 (85·6%) | 37,097 (80·8%) | −4·8% | |
| Open | 4875 (10·1%) | 5729 (12·5%) | 2·4% | |
| Operative time | 175 (125–231) | 174 (123–230) | −0·6% | |
| Blood loss | 21 (10–80) | 20 (10–70) | −4·8% | |
| Clinical Stage | 0 | 2303 (4·8%) | 2077 (4·5%) | −0·3% |
| IA1 | 8823 (18·3%) | 8609 (18·7%) | 0·4% | |
| IA2 | 14,079 (29·1%) | 13,718 (29·9%) | 0·8% | |
| IA3 | 8484 (17·6%) | 7904 (17·2%) | −0·4% | |
| IB | 5290 (10·9%) | 4937 (10·8%) | −0·1% | |
| IIA | 1699 (3·5%) | 1514 (3·3%) | −0·2% | |
| IIB | 3999 (8·3%) | 3736 (8·1%) | −0·2% | |
| IIIA | 2654 (5·5%) | 2425 (5·3%) | −0·2% | |
| IIIB | 442 (0·9%) | 434 (0·9%) | 0·0% | |
| IIIC | 12 (0·0%) | 20 (0·0%) | 0·0% | |
| IVA | 348 (0·7%) | 351 (0·8%) | 0·1% | |
| IVB | 76 (0·2%) | 97 (0·2%) | 0·0% | |
| Total diameter | 2·2 (1·5-3·2) | 2·2 (1·5-3·1) | 0·0% | |
| Consolidation diameter | 1·9 (1·1-2·9) | 1·8 (1·1-2·8) | −5·3% | |
| Historogy | Adenoca. | 34,491 (71·4%) | 32,030 (69·8%) | −1·6% |
| Squamous ca. | 8669 (17·9%) | 8278 (18·0%) | 0·1% | |
| Others | 5157 (10·7%) | 5610 (12·2%) | 1·5% | |
| Complications | Pneumonia | 1070 (2·3%) | 1023 (2·1%) | 0·2% |
| Atelectaissi | 262 (0·5%) | 251 (0·5%) | 0·0% | |
| Pyothorax | 389 (0·8%) | 331 (0·7%) | −0·1% | |
| IP exacerbation | 270 (0·6%) | 250 (0·5%) | −0·1% | |
| Air leakage >7 days | 2461 (5·1%) | 2412 (5·3%) | 0·2% | |
| Respiratory failure | 202 (0·4%) | 209 (0·5%) | 0·1% | |
| Pulmonary embolism | 63 (0·1%) | 63 (0·1%) | 0·0% | |
| Hospital stay | 8 (6–10) | 7 (6–10) | −12·5% | |
| Re-admission <30 days | 852 (1·8%) | 812 (1·8%) | 0·0% | |
| Mortality <30 days | 171 (0·4%) | 168 (0·4%) | 0·0% |
Abbreviations: PS = performance status, VATS = video assisted thoracic surgery, IP = interstitial pneumonia.