Table 1 Patient, tumor, and treatment-related characteristics of thymic tumor (n = 156)
From: Nomogram predict relapse-free survival of patients with thymic epithelial tumors after surgery
| Characteristic | Training Cohort(n = 116) | Validation Cohort(n = 40) | ||
|---|---|---|---|---|
| N | % | N | % | |
| Gender | ||||
| Male | 63 | 54.3 | 20 | 50.0 |
| Female | 53 | 45.7 | 20 | 50.0 |
| Age (years) | ||||
| ≤ 60 | 89 | 76.7 | 32 | 80.0 |
| >60 | 27 | 23.3 | 8 | 20.0 |
| Smoking history | ||||
| Never | 84 | 72.4 | 34 | 85.0 |
| Ever | 32 | 27.6 | 6 | 15.0 |
| Drinking history | ||||
| No | 100 | 86.2 | 37 | 92.5 |
| Yes | 16 | 13.8 | 3 | 7.5 |
| Family history of tumor | ||||
| No | 98 | 84.5 | 34 | 85.0 |
| Yes | 18 | 15.5 | 6 | 15.0 |
| Underlying diseases | ||||
| No | 82 | 70.7 | 34 | 85.0 |
| Yes | 34 | 29.3 | 6 | 15.0 |
| Tumor size (cm) | ||||
| ≤ 6 | 65 | 56.0 | 24 | 60.0 |
| >6 | 51 | 44.0 | 16 | 40.0 |
| pT stage | ||||
| T1 | 91 | 78.4 | 31 | 77.5 |
| T2–3 | 25 | 21.6 | 9 | 22.5 |
| Masaoka stage | ||||
| I | 61 | 52.6 | 15 | 37.5 |
| II-III | 55 | 47.4 | 25 | 62.5 |
| WHO stage | ||||
| A-AB | 45 | 38.8 | 18 | 45.0 |
| B1-B3 | 60 | 51.7 | 17 | 42.5 |
| C | 11 | 9.5 | 5 | 12.5 |
| Myasthenia gravis, | ||||
| No | 107 | 92.2 | 37 | 92.5 |
| Yes | 9 | 7.8 | 3 | 7.5 |
| tumor capsule status | ||||
| Incomplete | 38 | 32.8 | 9 | 22.5 |
| Complete | 78 | 67.2 | 31 | 77.5 |
| Invasion of great vessels | ||||
| No | 91 | 78.4 | 33 | 82.5 |
| Yes | 25 | 21.6 | 7 | 17.5 |
| ALB | ||||
| ≤ 40.8 | 29 | 25.0 | 7 | 17.5 |
| >40.8 | 87 | 75.0 | 33 | 82.5 |
| GLB | ||||
| ≤ 28.8 | 58 | 50.0 | 6 | 15.0 |
| >28.8 | 58 | 50.0 | 34 | 85.0 |
| A/G | ||||
| ≤ 1.5 | 54 | 46.6 | 18 | 45.0 |
| >1.5 | 62 | 53.4 | 22 | 55.0 |
| NE | ||||
| ≤ 5.6 | 102 | 87.9 | 32 | 80.0 |
| >5.6 | 14 | 12.1 | 8 | 20.0 |
| LY | ||||
| ≤ 2.5 | 28 | 24.1 | 8 | 20.0 |
| >2.5 | 88 | 75.9 | 32 | 80.0 |
| NE/LY (NLR) | ||||
| ≤ 3.0 | 100 | 86.2 | 32 | 80.0 |
| >3.0 | 16 | 13.8 | 8 | 20.0 |
| PLT | ||||
| ≤ 237 | 64 | 55.2 | 16 | 40.0 |
| >237 | 52 | 44.8 | 24 | 60.0 |
| PLT/LY (PLR) | ||||
| ≤ 161.6 | 104 | 89.7 | 32 | 80.0 |
| >161.6 | 12 | 10.3 | 8 | 20.0 |
| PLT/NE*LY (SII) | ||||
| ≤ 764.3 | 102 | 87.9 | 30 | 75.0 |
| >764.3 | 14 | 12.1 | 10 | 25.0 |