Table 1 The demographic and tumor characteristics of patients with GISTs
Variables | No. of patients (n = 286) | Percentage (%) |
|---|---|---|
Age (years) | ||
≤ 60 | 165 | 57.7 |
> 60 | 121 | 42.3 |
Gender | ||
Male | 167 | 58.4 |
Female | 119 | 41.6 |
ECOG score | ||
≤ 1 | 190 | 66.4 |
≥ 2 | 96 | 33.6 |
Tumor size (cm) | ||
≤ 5 | 127 | 44.4 |
> 5 | 159 | 55.6 |
Tumor location | ||
Stomach | 219 | 76.6 |
Small intestine | 52 | 18.2 |
Othersa | 15 | 5.2 |
Mitotic count (50 HPF) | ||
≤ 5 | 173 | 60.5 |
6–10 | 86 | 30.1 |
> 10 | 27 | 9.4 |
NIH risk categories | ||
Very low | 56 | 19.6 |
Low | 62 | 21.7 |
Intermediate | 93 | 32.5 |
High | 75 | 26.2 |
Surgical margins status | ||
R0 | 274 | 95.8 |
R1/R2 | 12 | 4.2 |
Synchronous with digestive malignancies | 47 | 16.4 |
Preoperative IM therapy | 15 | 5.2 |
Adjuvant IM therapy | 141 | 49.3 |
Metastasis at diagnosis or surgery | 31 | 10.8 |
Median follow-up (range, months) | 32 (5–76) | - |
Hospital stay (days, mean ± SD) | 17.3 ± 4.5 | - |