Research Article
Tumor Digital Masking Allows Precise Patient Triaging: A Study Based on Ki-67 Scoring in Gastrointestinal Stromal Tumors
Table 2
The tercile analysis for low-/moderate-/high-grade GIST according to Ki-67 HSPR%.
| Characteristics | HSPR% | value | Low (<3.5%) | Moderate (3.5%–10%) | High (≥10%) | No. 20 | No. 17 | No. 20 |
| Age (years) | 61.0 (54.2–71.5) | 67.0 (52.0–72.0) | 57.5 (48.8–75.0) | 0.63 | Age (years) | | | | 0.67 | ≤64 | 11 (55.0%) | 7 (41.2%) | 11 (55.0%) | | >64 | 9 (45.0%) | 10 (58.8%) | 9 (45.0%) | | Sex | | | | 0.002 | Female | 15 (75.0%) | 9 (52.9%) | 4 (20.0%) | | Male | 5 (25.0%) | 8 (47.1%) | 16 (80.0%) | | Tumor size (cm) | 4.5 (2.0–6.1) | 5.0 (3.5–7.0) | 6.8 (4.0–7.5) | 0.069 | Tumor size (cm) | | | | 0.089 | ≤5 | 14 (70.0%) | 10 (58.8%) | 7 (35.0%) | | >5 | 6 (30.0%) | 7 (41.2%) | 13 (65.0%) | | Tumor location | | | | 0.58 | Gastric | 15 (75.0%) | 13 (76.5%) | 12 (60.0%) | | Nongastric | 5 (25.0%) | 4 (23.5%) | 8 (40.0%) | | GIST group | | | | 0.0001 | gr_1-3 | 19 (95.0%) | 15 (88.2%) | 8 (40.0%) | | gr_4-6 | 1 (5.0%) | 2 (11.8%) | 12 (60.0%) | | Mitotic score | | | | 0.0009 | 0–5 | 18 (90.0%) | 15 (88.2%) | 8 (40.0%) | | >5 | 2 (10.0%) | 2 (11.8%) | 12 (60.0%) | | Strong HSPR (no items per DOI) | 3.0 (1.8–5.0) | 115.0 (60.0–147.0) | 1108.5 (181.0–3355.8) | 0.007 | Strong nHSPR(no items per DOI) | 0.0 (0.0–1.2) | 11.0 (1.0–15.0) | 74.5 (28.2–995.2) | 0.008 | Weak HSPR(no items per DOI) | 410.0 (151.0–523.2) | 1180.0 (593.0–1527.0) | 5608.5 (3406.0–8379.5) | <0.0001 | Weak nHSPR(no items per DOI) | 137.0 (37.0–350.0) | 266.0 (171.0–363.0) | 1760.5 (1206.2–6697.0) | 0.002 | nHSPR% | 0.4 (0.1–0.6) | 1.3 (0.8–3.0) | 11.6 (3.7–24.3) | <0.0001 | HSPR%_minus_nonHSPR% | 0.6 (0.3–1.3) | 4.1 (3.5–6.1) | 11.7 (9.1–26.9) | <0.0001 | Total number of cells | 29166.5 (25333.8–39117.8) | 19287.0 (16470.0–21826.0) | 25545.0 (19779.8–31890.5) | 0.002 | Total number of cells | | | | <0.0001 | <25,000 | 5 (25.0%) | 16 (94.1%) | 9 (45.0%) | | ≥25,000 | 15 (75.0%) | 1 (5.9%) | 11 (55.0%) | |
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