Table 1 Basic characteristics and risk of bias
Authors (year) | country | No. of cases | Sex ratio | Average age | Pathological characteristic adenocarcinoma/squamous cell carcinoma/other | TNM staging | Surgical procedure | Postoperative pulmonary function indicators | Preoperative pulmonary function indicators | NOS | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M | O | M/F | M | O | |||||||||
Li et al. [7] | China | 34 | 35 | 48/21 | NA | NA | 0/69/0 | I–IIB | MIE | OE | ① | NA | 7 |
Wang [6] | China | 43 | 35 | 46/32 | 64.89 ± 3.09 | 65.17 ± 2.95 | 48/20/10 | I–III | MIE | OE | ②③ | ②③ | 7 |
Han et al. [10] | China | 32 | 33 | 45/20 | 66.8 ± 4.5 | 66.2 ± 4.3 | NA | I–IIB | MIE | OE | ②③④ | ②③④ | 7 |
Shi et al. [11] | China | 30 | 30 | 34/26 | 61.2 ± 5.3 | 60.9 ± 5.7 | 40/18/2 | I–III | MIE | OE | ②③ | ②③ | 7 |
Gao [12] | China | 34 | 34 | 48/20 | 54.92 ± 6.14 | 55.84 ± 6.32 | NA | I–IIB | MIE | OE | ②③ | ②③ | 7 |
Wu et al. [13] | China | 39 | 31 | 34/36 | 53.52 ± 8.63 | 52.44 ± 8.33 | 10/60/0 | I–III | MIE | OE | ②③ | ②③ | 7 |
Li [14] | China | 30 | 30 | 37/23 | 60.13 ± 1.34 | 60.24 ± 1.17 | 0/60/0 | NA | MIE | OE | ① | ① | 7 |
Taguchi [15] | Japan | 22 | 29 | 44/7 | 61.6 ± 9.3 | 61.7 ± 6.4 | 0/51/0 | 0–III | MIE | OE | ①②③④ | ②③④ | 6 |