Table 2 Univariate survival analysis of all gastric cancer patients in the whole study series and propensity score-matched pairs
Variables | Whole study series | Propensity-score-matched pairs. | ||||
|---|---|---|---|---|---|---|
5YSR | χ2 | p | 5YSR | χ2 | p | |
Gender | 0.827 | 0.363 | 0.010 | 0.921 | ||
Male | 66.7 | 62.5 | ||||
Female | 68.9 | 58.3 | ||||
Age at surgery(year) | 1.698 | 0.193 | 0.002 | 0.961 | ||
<60 | 69.7 | 58.8 | ||||
≥ 60 | 64.8 | 57.8 | ||||
Tumor size (cm) | 7.775 | 0.005 | 0.003 | 0.954 | ||
<5 | 72.5 | 60.1 | ||||
≥ 5 | 61.4 | 20.0 | ||||
Type of gastrectomy | 4.337 | 0.114 | 0.066 | 0.967 | ||
Distal | 79.1 | 61.1 | ||||
Proximal | 64.3 | 54.3 | ||||
Total | 62.2 | 58.9 | ||||
Tumor location | 8.430 | 0.038 | 4.369 | 0.224 | ||
Low | 69.4 | 53.6 | ||||
Middle | 50.9 | 54.5 | ||||
Upper | 69.0 | 69.3 | ||||
Diffuse | 62.0 | 61.5 | ||||
Lauren’s classification | 0.072 | 0. 788 | 0.916 | 0.339 | ||
Intestinal | 66.6 | 65.5 | ||||
Diffuse | 67.4 | 56.9 | ||||
Adjuvant chemotherapy | 2.700 | 0.100 | 1.827 | 0.176 | ||
No | 33.6 | 55.9 | ||||
Yes | 42.8 | 65.9 | ||||
LNs | 50.318 | <0.001 | 18.412 | 0.001 | ||
1–3 | 45.4 | 46.9 | ||||
4–10 | 57.0 | 51.1 | ||||
11–15 | 70.8 | 68.8 | ||||
16–25 | 82.4 | 66.7 | ||||
≥ 26 | 87.5 L | 85.7 | ||||
LVI | 19.635 | <0.001 | 9.367 | 0.002 | ||
Absent | 70.7 | 68.9 | ||||
Present | 49.0 | 52.6 | ||||
Depth of invasion | 21.951 | <0.001 | 8.328 | 0.040 | ||
T1 | 85.3 | 81.3 | ||||
T2 | 79.8 | 69.4 | ||||
T3 | 74.8 | 65.7 | ||||
T4 | 59.1 | 50.4 | ||||