Table 4.
Clinicopathologic features according to recurrence time
|
Early recurrence (≤12 months) |
Late recurrence (>12 months) |
P value | |
|---|---|---|---|
| Numbers | 159 | 141 | |
| Median age (years) | 61 | 60 | 0.310 |
| Gender | 0.132 | ||
| Male | 115 | 107 | |
| Female | 44 | 34 | |
| Location of primary tumor | 0.571 | ||
| Lower third | 77 | 71 | |
| Middle third | 45 | 34 | |
| Upper third | 28 | 32 | |
| Gastroesophageal junction | 4 | 2 | |
| More than 2/3 of stomach | 5 | 2 | |
| Histology | 0.255 | ||
| Well differentiated | 2 | 4 | |
| Moderately differentiated | 33 | 36 | |
| Poorly differentiated | 94 | 67 | |
| Signet ring cell carcinoma | 20 | 17 | |
| Mucinous adencarcinoma | 5 | 8 | |
| others | 5 | 9 | |
| Maximum diameter (cm) | 0.087 | ||
| ≤3 | 27 | 39 | |
| 3.1‐6 | 98 | 83 | |
| >6 | 34 | 19 | |
| Median | 5 | 4.5 | |
| Nerve invasion | 0.418 | ||
| Yes | 90 | 73 | |
| No | 69 | 68 | |
| Lymphovascular invasion | <0.001 | ||
| Yes | 113 | 68 | |
| No | 46 | 73 | |
| Tumor stage | <0.001 | ||
| Stage I | 3 | 14 | |
| Stage II | 26 | 37 | |
| Stage III | 130 | 90 | |
| No. of positive lymph nodes | <0.001 | ||
| Median | 10 | 5 | |
| No. of dissected lymph nodes | 0.320 | ||
| Median | 27 | 25 | |
| Lymph node ratio | <0.001 | ||
| Median | 0.4 | 0.23 | |
| Type of resection | 0.165 | ||
| Subtotal gastrectomy | 70 | 74 | |
| Total gastrectomy | 89 | 67 | |
| Type of reconstruction | 0.107 | ||
| Billroth I | 21 | 30 | |
| Billroth II | 46 | 42 | |
| Roux‐en‐Y | 92 | 69 | |
| Adjuvant chemotherapy | 0.386 | ||
| Yes | 109 | 99 | |
| No | 50 | 42 |