Table 1.
Basic clinical and pathological information of patients.
| Attribute | Brain Metastasizing | Non-Brain Metastasizing | p Value | |
|---|---|---|---|---|
| n | 16 | 11 | ||
| Mean age (range) | 62 (45–78) | 67 (46–77) | 0.19 | |
| Male sex (%) | 6 (37.5) | 8 (72.7) | 0.12 | |
| Smoking history (%) | 7 (43.8) | 7 (63.6) | 0.44 | |
| Mean tumor size (S.D.) | 2.9 (1.1) | 3.4 (1.9) | 0.40 | |
| Received adjuvant chemotherapy (%) | 11 (68.8) | 8 (72.7) | 1 | |
| Predominant growth pattern in primary tumor | Acinar (%) | 7 (43.7) | 5 (45.4) | 0.55 |
| Papillary (%) | 1 (6.3) | 1 (9.1) | ||
| Micropapillary (%) | 5 (31.3) | 1 (9.1) | ||
| Solid (%) | 3 (18.7) | 4 (36.4) | ||
| T stage (%) | T1a | 1 (6.3) | 1 (9.1) | 0.28 |
| T1b | 3 (18.7) | 3 (27.3) | ||
| T2a | 11 (68.7) | 4 (36.3) | ||
| T2b | 1 (6.3) | 1 (9.1) | ||
| T3 | 0 (0) | 2 (18.2) | ||
| N stage (%) | N0 | 8 (50.0) | 5 (45.5) | 1 |
| N1 | 3 (18.7) | 3 (27.3) | ||
| N2 | 5 (31.3) | 3 (27.3) | ||
S.D.: standard deviation. T stage was reported according to AJCC 7th Ed.