Table 2 T stage, N stage and clinical stage of the included articles
Study | T stage (n; %) | N stage (n; %) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
T1–T2 | T3–T4 | N0 | N1–N2 | |||||||||
WS | RS | LE | WS | RS | LE | WS | RS | LE | WS | RS | LE | |
Ayloor [16] | 9 | 4 | – | 14 | 6 | – | – | – | – | – | – | – |
Dalton [17] | 1 | – | – | 5 | 6 | – | 1 | – | – | 5 | 6 | – |
Habr [11] | 14 | 1 | – | 57 | 21 | – | 55 | 16 | – | 16 | 6 | – |
Lai [18] | – | – | – | – | – | – | – | – | – | – | – | – |
Lee [19] | 5 | 6 | 7 | 3 | 22 | 9 | 5 | 13 | 14 | 3 | 15 | 2 |
Li [20] | 8 | 24 | – | 22 | 68 | – | 14 | 39 | – | 16 | 53 | – |
Mass [21] | 6 | 1 | – | 15 | 19 | – | 6 | 3 | – | 15 | 17 | – |
Renehan [22] | 31 | 24 | – | 98 | 85 | – | 45 | 47 | – | 84 | 181 | – |
Smith [23] | 10 | 11 | – | 22 | 39 | – | 14 | 20 | – | 18 | 31 | – |
Yeom [24] | 3 | 8 | 2 | 12 | 121 | 23 | 5 | 75 | 19 | 10 | 54 | 6 |
Wang [25] | 6 | 8 | – | 53 | 171 | – | 14 | 47 | – | 45 | 132 | – |
Total | 93 (23.6) | 87 (13.3) | 9 (21.9) | 301 (76.3) | 558 (85.5) | 32 (78.1) | 159 (42.8) | 260 (34.4) | 33 (80.4) | 212 (57.2) | 495 (65.5) | 8 (19.6) |
Clinical stage (n; %) | ||||||||||||
I | II | III | IV | |||||||||
WS | RS | LE | WS | RS | LE | WS | RS | LE | WS | RS | LE | |
– | – | – | – | – | – | – | – | – | – | – | – | |
– | – | – | – | – | – | – | – | – | – | – | – | |
– | – | – | – | – | – | – | – | – | – | – | – | |
– | – | – | 11 | 8 | 7 | 18 | – | – | – | – | ||
– | – | – | – | – | – | – | – | – | – | – | – | |
– | – | - | – | – | – | – | – | – | – | – | – | |
– | – | – | – | – | – | – | – | – | – | – | – | |
– | – | – | – | – | – | – | – | –– | – | – | – | |
8 | 2 | – | 6 | 18 | – | 18 | 31 | – | – | – | – | |
– | – | – | – | – | – | – | – | – | – | – | – | |
– | – | – | – | – | – | – | – | – | – | – | – | |
8 (16) | 2 (2.5) | – | 17 (34) | 26 (33.7) | – | 25 (50) | 49 (63.8) | – | – | – | – | |