Table 1.
Basic characteristics of the publications selected for meta-analysis
| Study | Year | Country | Surgery | Trial type | No. of patients | Quality score | ||
|---|---|---|---|---|---|---|---|---|
| One-port VATS | Two-port VATS | Three-port VATS | ||||||
| Li C | 2013 | China | Lobectomy | Retrospective | 87 | 75 | 6 | |
| Zhu Y | 2015 | China | Lobectomy | Retrospective | 33 | 49 | 6 | |
| Hirai K | 2015 | Japan | Lobectomy | Retrospective | 60 | 20 | 6 | |
| Mu JW | 2015 | China | Lobectomy + Segmentectomy + Wedge | Prospective | 58 | 347 | 8 | |
| Shen YX | 2015 | China | Lobectomy | Retrospective | 115 | 296 | 8 | |
| Chang JM | 2016 | Taiwan | Lobectomy + Segmentectomy | Retrospective | 45 | 76 | 6 | |
| Hao ZP | 2016 | China | Lobectomy/Bilobectomy + Pneumonectomy | Retrospective | 115 | 101 | 6 | |
| Dai FQ | 2016 | China | Lobectomy | Retrospective | 77 | 66 | 8 | |
| Ke HG | 2017 | China | Lobectomy | Retrospective | 65 | 97 | 8 | |
| Wang LL | 2017 | China | Lobectomy | Retrospective | 73 | 86 | 98 | 6 |
| Heo W | 2017 | Korea | Lobectomy | Retrospective | 37 | 67 | 8 | |
| Song KS | 2017 | Korea | Lobectomy | Retrospective | 26 | 47 | 8 | |
| Han KN | 2017 | Korea | Lobectomy/Bilobectomy + Segmentectomy | Retrospective | 203 | 68 | 168 | 6 |
| Liu CC | 2018 | Taiwan | Lobectomy + Segmentectomy + Wedge | Retrospective | 150 | 382 | 8 | |
| Li C | 2018 | China | Lobectomy | Retrospective | 131 | 101 | 6 | |
| Wang GX | 2018 | China | Lobectomy | Retrospective | 153 | 113 | 6 | |