Tumor differentiation (moderate/high vs. poor)
|
18
|
6721
|
Fixed
|
1.04 (0.98–1.11)
|
0.173
|
7.30%
|
0.367
|
Tumor location (cardia vs. non-cardia)
|
10
|
2905
|
Fixed
|
0.99 (0.87–1.12)
|
0.837
|
6.00%
|
0.386
|
Tumor size (≤ 5 vs. > 5 cm)
|
8
|
2596
|
Random
|
1.04 (0.88–1.23)
|
0.634
|
74.20%
|
< 0.001
|
Lymph node metastasis (no vs. yes)
|
15
|
6752
|
Random
|
1.17 (1.02–1.33)
|
0.023
|
71.90%
|
< 0.001
|
Depth of invasion (T1–T2 vs. T3–T4 )
|
13
|
6250
|
Random
|
1.34 (1.10–1.64)
|
0.003
|
86.20%
|
< 0.001
|
TNM (Tis-II vs. III-IV)
|
16
|
6834
|
Random
|
1.20 (1.06–1.37)
|
0.004
|
77.30%
|
< 0.001
|