Factors (N) | I-LVD | P-LVD | |||
---|---|---|---|---|---|
 |  | mean ± SD | P | mean ± SD | P |
Age | <60 (33) | 12.60 ± 5.32 | N.S. | 10.52 ± 3.22 | N.S. |
 | >60 (33) | 11.99 ± 3.15 |  | 11.53 ± 3.99 |  |
Sex | Male (47) | 12.31 ± 4.79 | N.S. | 11.06 ± 3.91 | N.S. |
 | Female (19) | 12.24 ± 3.11 |  | 10.88 ± 2.83 |  |
Extent of resection | Total gastrectomy (16) | 13.78 ± 5.62 | N.S. | 12.36 ± 5.30 | N.S. |
 | Subtotal gastrectomy (50) | 11.82 ± 3.81 |  | 10.59 ± 2.87 |  |
Tumor location | Upper 1/3 (12) | 12.01 ± 3.30 | N.S. | 11.74 ± 5.40 | N.S. |
 | Middle 1/3 (21) | 13.49 ± 5.18 |  | 11.26 ± 3.63 |  |
 | Lower 1/3 (32) | 12.33 ± 4.37 |  | 10.63 ± 2.92 |  |
Tumor size | <5cm (36) | 12.20 ± 4.98 | N.S. | 10.55 ± 3.61 | N.S. |
 | >5cm (30) | 12.40 ± 3.53 |  | 11.56 ± 3.62 |  |
Lauren classification | Intestinal type (31) | 11.20 ± 3.06 | 0.048* | 10.10 ± 2.74 | N.S. |
 | Diffuse type (35) | 13.26 ± 5.09 |  | 11.55 ± 4.23 |  |
Differentiation | Differentiated (31) | 11.03 ± 2.80 | 0.021* | 10.49 ± 2.74 | N.S. |
 | Undifferentiated (35) | 13.41 ± 5.15 |  | 11.47 ± 4.25 |  |
Tumor stage (AJCC 7th ed.) | T1 (18) | 10.22 ± 3.53 | 0.024* | 9.87 ± 3.55 | N.S. |
 | T2 (11)) | 12.95 ± 4.09 |  | 11.70 ± 3.64 |  |
 | T3 (26) | 12.23 ± 3.95 |  | 11.05 ± 3.74 |  |
 | T4 (11) | 15.16 ± 5.37 |  | 12.18 ± 3.37 |  |
LVI | Negative (37) | 10.96 ± 3.80 | 0.004* | 10.18 ± 3.71 | 0.028* |
 | Positive (29) | 13.99 ± 4.48 |  | 12.12 ± 3.28 |  |
Node stage (AJCC 7th ed.) | N0 (36) | 11.26 ± 3.84 | 0.052 | 10.00 ± 2.77 | 0.040* |
 | N1 (3) | 3.34 ± 2.20 |  | 10.25 ± 0.55 |  |
 | N2 (7) | 13.51 ± 3.79 |  | 12.38 ± 1.84 |  |
 | N3 (20) | 14.16 ± 5.00 |  | 12.67 ± 4.38 |  |
Tumor node metastasis stage (AJCC 7th ed.) | I (20) | 10.45 ± 3.93 | 0.029* | 9.81 ± 3.02 | 0.061 |
 | II (30) | 12.27 ± 3.58 |  | 10.88 ± 3.18 |  |
 | III (18) | 14.17 ± 5.14 |  | 12.56 ± 4.48 |  |
DFS (month) | LVD-Low (38) | 57.82 ± 3.07 | N.S. | 59.31 ± 2.77 | 0.037* |
 | LVD-High (28) | 51.45 ± 4.84 |  | 51.21 ± 4.81 |  |
OS (month) | LVD-Low (38) | 61.70 ± 2.62 | 0.031* | 60.06 ± 2.70 | 0.088 |
 | LVD-High (28) | 52.60 ± 4.44 |  | 55.96 ± 4.14 |  |