Table 1.
Comparison of demographic and pathologic data between patients with positive and negative margins n (%)
| Variable | Positive margins (n = 16) | Negative margins (n = 175) | P value |
| Age (years) | 49.3 ± 12.7 | 57.5 ± 11.2 | 0.006 |
| Sex | 0.161 | ||
| Male | 8 (50.0) | 121 (69.1) | |
| Female | 8 (50.0) | 54 (30.9) | |
| Siewert type | 0.141 | ||
| Type II | 5 (31.3) | 25 (14.3) | |
| Type III | 11 (68.7) | 150 (85.7) | |
| Gross type | 0.001 | ||
| Borrmann I, II | 1 (6.3) | 83 (47.4) | |
| Borrmann III, IV | 15 (93.7) | 92 (52.6) | |
| Tumor size (cm) | 0.001 | ||
| ≤ 5 cm | 2 (12.5) | 98 (56.0) | |
| > 5 cm | 14 (87.5) | 77 (44.0) | |
| Histology | 0.399 | ||
| Differentiated | 3 (18.8) | 56 (32.0) | |
| Undifferentiated | 13 (81.2) | 119 (68.0) | |
| LRM (cm) | 0.985 | ||
| ≤2 | 4 (25) | 42 (24.0) | |
| > 2 and ≤ 4 | 10 (62.5) | 113 (64.6) | |
| > 4 | 2 (12.5) | 20 (11.4) |
LRM: length of resection margin. Age represents mean ± SD.