Table 2 Demographics of the included studies
Study | Sex (female%) | Vascular invasion | Lymphatic invasion | Lymph node status | Pleural metastasis | Stage | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PDPN positive | PDPN negative | PDPN positive | PDPN negative | PDPN positive | PDPN negative | PDPN positive | PDPN negative | PDPN positive | PDPN negative | ||||||||||||||||||||
+ | – | + | – | + | – | + | – | N0 | N1 | N2 | N3 | N0 | N1 | N2 | N3 | + | – | + | – | I | II | III | IV | I | II | III | IV | ||
Hanako Suzuki | 20% | 3 | 13 | 10 | 14 | 4 | 112 | 7 | 17 | 16 | 0 | 11 | 13 | ND | 13 | 3 | None | 10 | 14 | None | |||||||||
JUAN LI | 9.60% | 9 | 51 | 1 | 21 | ND | 19 | 41 | 12 | 10 | 10 | 50 | 1 | 21 | 35 | 25 | 18 | 4 | |||||||||||
Liyi Xie | 4.30% | ND | 7 | 14 | 4 | 38 | 13 | 7 | 8 | 0 | 28 | 11 | 3 | 0 | 13 | 15 | 4 | 38 | 8 | 9 | 10 | 1 | 18 | 16 | 7 | 1 | |||
Takeo Ito | 20% | 53 | 16 | 47 | 20 | 18 | 51 | 13 | 54 | 69 | 0 | 67 | 0 | 29 | 40 | 22 | 45 | ND | |||||||||||
Yoichiro IKOMA | 5.80% | 13 | 19 | 37 | 34 | 2 | 30 | 18 | 53 | 27 | 5 | 43 | 28 | ND | ND | ||||||||||||||
Yoshihisa Shimada | 9.30% | 28 | 67 | 17 | 38 | 27 | 68 | 25 | 30 | 74 | 21 | 36 | 19 | ND | 17 | 38 | ND | ||||||||||||
Kyuichi Kadota | 8% | ND | ND | 9 | 3 | 29 | 9 | ND | 8 | 1 | 3 | None | 25 | 5 | 8 | None | |||||||||||||
Shotaro Iwakiri | 9.80% | ND | ND | 25 | 6 | 8 | – | 30 | 4 | 8 | – | ND | 22 | 5 | 13 | None | 47 | 9 | 26 | None | |||||||||