Table 2.
Risk factors | No. | 5‐yr S.R.† | Univariate analysis‡ P | Multivariate analysis§ | ||
---|---|---|---|---|---|---|
HR¶ | 95% CI | P | ||||
ARF1 (IHC ≥ 90 score) | ||||||
Low expression | 50 | 62.9 | 0.0288 | 1.987 | 1.045–3.776 | 0.036 |
High expression | 60 | 40.9 | ||||
Gross type | ||||||
Localized | 43 | 78.8 | <0.0001 | 0.556 | 0.214–1.441 | NS |
Infiltrative | 67 | 31.0 | ||||
Size (cm) | ||||||
<5 | 60 | 69.3 | <0.0001 | 1.986 | 0.929–4.247 | NS |
≥5 | 50 | 25.3 | ||||
Histological type | ||||||
Intestinal | 41 | 72.2 | 0.0001 | 2.063 | 0.924–4.607 | NS |
Diffuse | 69 | 36.7 | ||||
Serosal invasion | ||||||
No (T1, T2) | 43 | 82.3 | <0.0001 | 1.584 | 0.578–4.340 | NS |
Yes (T3, T4) | 72 | 30.3 | ||||
Lymph node metastasis | ||||||
No (N0) | 32 | 93.7 | <0.0001 | 9.985 | 1.913–52.125 | 0.006 |
Yes (N1, N2, N3) | 78 | 32.4 | ||||
Distant metastasis (pM) | ||||||
No | 85 | 64.0 | <0.0001 | 2.502 | 1.071–5.848 | 0.034 |
Yes | 25 | 4.2 | ||||
Peritoneal seeding | ||||||
No | 91 | 59.6 | <0.0001 | 1.070 | 0.441–2.597 | NS |
Yes | 19 | 5.6 | ||||
Vascular invasion | ||||||
No | 91 | 57.7 | <0.0001 | 1.435 | 0.726–2.836 | NS |
Yes | 19 | 12.1 | ||||
Lymphatic invasion | ||||||
No | 45 | 79.2 | <0.0001 | 0.769 | 0.295–2.004 | NS |
Yes | 65 | 29.5 | ||||
Perineural invasion | ||||||
No | 71 | 64.9 | <0.0001 | 1.138 | 0.589–2.197 | NS |
Yes | 39 | 22.7 |
†Five‐year survival rate; ‡Log rank test, P value < 0.05; §Cox regression method, P value < 0.05; ¶Multivariate‐adjusted hazard ratio (HR). CI, Confidence interval; NS, not significant.