Table 2 Association between patient characteristics and surgical margins (n = 34)
Characteristic | Positive margins | Negative margins | P Value |
|---|---|---|---|
Age (Mean) | 58.0 | 56.8 | .78 |
Sex | |||
 Male | 3 (12 %) | 22 (88 %) | > .99 |
 Female | 1 (11 %) | 8 (89 %) |  |
Location | |||
 Tonsil | 1 (6 %) | 16 (94 %) | .34 |
 Base of Tongue | 3 (19 %) | 13 (81 %) |  |
Smoking | |||
 Smoker | 3 (14 %) | 18 (86 %) | > .99 |
 Non-Smoker | 1 (8 %) | 12 (92 %) |  |
p16 | |||
 Positive | 3 (11 %) | 25 (89 %) | > .99 |
 Negative | 0 (0 %) | 3 (100 %) |  |
Preoperative Tumor Size (Mean) | 2.70Â cm | 2.18Â cm | .59 |
Preoperative Tumor Size | |||
Median = 2.20 cm |  |  | > .99 |
 Less than median size | 0 (0 %) | 12 (100 %) |  |
 Greater than or equal to median size | 1 (8 %) | 12 (92 %) |  |
Postoperative Tumor Size (Mean) | 3.40Â cm | 2.08Â cm | .03 |
Postoperative Tumor Size | |||
Median = 2.20 cm |  |  | > .99 |
 Less than median size | 1 (7 %) | 14 (93 %) |  |
 Greater than or equal to median size | 2 (13 %) | 14 (88 %) |  |
Preoperative Node Size (Mean) | 2.85Â cm | 2.89Â cm | .96 |
Preoperative Node Size | |||
Median = 3.00 cm |  |  | > .99 |
 Less than median size | 1 (10 %) | 9 (90 %) |  |
 Greater than or equal to median size | 1 (8 %) | 12 (92 %) |  |
Postoperative Node Size (Mean) | 3.45Â cm | 3.54Â cm | .93 |
Postoperative Node Size | |||
Median = 3.50 cm |  |  | > .99 |
 Less than median size | 1 (13 %) | 7 (88 %) |  |
 Greater than or equal to median size | 1 (9 %) | 10 (91 %) |  |