Table 1.
Patient and tumor characteristics with respect to micrometastasis (MM) detection
| Surgery alone (n = 41) | Chemoradiation + surgery (n = 47) | |||||
|---|---|---|---|---|---|---|
| MM positive N = 27 (%) | MM negative N = 14 (%) | P-value | MM positive N = 20 (%) | MM negative N = 27 (%) | P-value | |
| Mean age (years) | 61.6 | 61.5 | N.S. | 60.1 | 58.1 | N.S. |
| Gender | ||||||
| Male | 18 (67) | 12 (86) | 0.35 | 14 (70) | 22 (81) | 0.56 |
| Female | 9 (33) | 2 (14) | 6 (30) | 5 (19) | ||
| Histologic type | ||||||
| Adenocarcinoma | 20 (74) | 12 (86) | 0.64 | 12 (60) | 22 (81) | 0.19 |
| Squamous | 7 (26) | 2 (14) | 8 (40) | 5 (19) | ||
| Nodal status | ||||||
| Node negative | 6 (22) | 3 (21) | 1.00 | 7 (35) | 13 (48) | 0.55 |
| Node positive | 21 (78) | 11 (79) | 13 (65) | 14 (52) | ||
| Stage | ||||||
| 0–1 | 1 (4) | 2 (14) | 0.55 | 5 (25) | 7 (26) | 1.00 |
| 2–3 | 26 (96) | 12 (86) | 15 (75) | 27 (74) | ||