Table 2.
Univariate and multivariate analysis of the prognostic factors for recurrence-free survival in patients with GIST.
| Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (95%CI) | P | HR (95%CI) | P | |
| Gender | 0.350 | |||
| Male | 1 | |||
| Female | 0.805 (0.511–1.268) | |||
| ECOG score | 0.223 | |||
| 0 | 1 | |||
| 1 | 1.473 (0.880–2.466) | 0.140 | ||
| 2 | 1.774 (0.642–4.904) | 0.269 | ||
| Age | 0.486 | |||
| <60 | 1 | |||
| ≥60 | 1.177 (0.744–1.860) | |||
| BMI (kg/m2) | 0.154 | |||
| <18.5 | 1.937 (0.781–4.808) | |||
| ≥18.5 | 1 | |||
| Tumor size | <0.001 | |||
| ≤ 2 | 1 | |||
| >2, ≤ 5 | 1.566 (0.617–3.972) | 0.345 | ||
| >5, ≤ 10 | 3.784 (1.534–9.337) | 0.004 | ||
| >10 | 12.285 (5.127–29.437) | <0.001 | ||
| Tumor location | <0.001 | |||
| stomach | 1 | |||
| Intestine | 2.447 (1.411–4.244) | 0.001 | ||
| Colorectum | 3.664 (1.835–7.319) | <0.001 | ||
| E–GIST | 4.037 (2.133–7.642) | <0.001 | ||
| Mitotic index | <0.001 | |||
| ≤ 5 | 1 | |||
| >5, ≤ 10 | 3.962 (1.996–7.865) | <0.001 | ||
| >10 | 10.256 (5.769–18.232) | <0.001 | ||
| NIH risk category | <0.001 | <0.001 | ||
| Very low | 1 | 1 | ||
| Low | 1.683 (0.455–6.218) | 0.435 | 1.615 (0.437–5.972) | 0.472 |
| Intermediate | 3.943 (1.100–14.135) | 0.035 | 3.591 (0.998–12.915) | 0.050 |
| High | 10.681 (3.338–34.177) | <0.001 | 9.280 (2.877–29.937) | <0.001 |
| Clavien–Dindo grade | 0.715 | |||
| <3 | 1 | |||
| ≥3 | 0.878 (0.438–1.761) | |||
| FARI | <0.001 | 0.031 | ||
| Low | 1 | 1 | ||
| High | 2.338 (1.492–3.663) | 1.650 (1.047–2.601) | ||
| NLR | 0.010 | |||
| Low | 1 | |||
| High | 2.314 (1.222–4.381) | |||
| PLR | 0.003 | |||
| Low | 1 | |||
| High | 2.148 (1.290–3.575) | |||
| PNI | <0.001 | |||
| Low | 2.402 (1.518–3.801) | |||
| High | 1 | |||
FARI, fibrinogen–albumin ratio index; ECOG, Eastern Cooperative Oncology Group; BMI, body mass index; NIH, National Institute of Health; NLR, neutrophil-to-lymphocyte ratio; PLR, platelet-to-lymphocyte ratio; PNI, prognostic nutritional index; HR, hazard ratio; CI, confidence interval.