Table 2.
Different levels of prognostic factors.
| Patient and Tumor | |||
|---|---|---|---|
| Factor | No. | (%) | Levels |
| Duration of adjuvant imatinib (m) | |||
| 0–11 | 90 | 48 | 0 |
| 12–24 | 40 | 22 | 1 |
| 25–36 | 30 | 16 | 2 |
| 37–48 | 3 | 2 | 3 |
| 49–60 | 15 | 8 | 4 |
| >60 | 7 | 4 | 5 |
| Tumor size (cm) | |||
| ≤5.0 | 56 | 30 | 1 |
| 5.1–10.0 | 78 | 42 | 2 |
| 10.1–15.0 | 37 | 20 | 3 |
| 15.0–20.0 | 10 | 7 | 4 |
| >20 | 4 | 2 | 5 |
| Tumor mitotic rate (count per 50 HPFs) | |||
| ≤5 | 32 | 17 | 1 |
| 6–10 | 53 | 28 | 2 |
| 11–15 | 36 | 20 | 3 |
| 16–20 | 27 | 15 | 4 |
| >20 | 37 | 20 | 5 |
| Tumor site | |||
| Stomach | 124 | 67 | 0 |
| Small intestine | 49 | 27 | 1 |
| Colon or rectum | 12 | 6 | 1 |
| GI bleeding | |||
| Yes | 116 | 63 | 1 |
| No | 69 | 37 | 0 |