Table 1: Comparison of risk factors and pathological data between fistula and non-fistula patients.
|
Fistula % (n) |
Non-fistula % (n) |
Number of patients |
6 |
39 |
Average Age* |
57.17 (± 5.30) |
64.44 (± 9.88) |
Gender (M:F)* |
5:1 |
34:5 |
Race (White: others)* |
5:1 |
38:1 |
Postop Hemoglobin* |
10.48 (± 2.60) |
11.15 (1.76) |
Prior Radiation |
50.00 (3) |
35.90 (14) |
Prior chemoradiation |
33.33 (2) |
23.08 (9) |
Neck dissection |
|
|
Bilateral |
33.33(2) |
25.64(10) |
Unilateral |
16.67(1) |
51.28(20) |
None |
50.00(3) |
23.07(9) |
Margin (mm)* |
4.20(± 3.76) |
7.33(± 7.43) |
Tumor size (mm)* |
28.2(± 12.35) |
29.9(± 8.59) |
Tumor stage |
|
|
T4 |
50.00 (3) |
56.41 (22) |
T3 |
33.33 (2) |
23.08 (9) |
T2 |
16.67 (1) |
10.27 (4) |
T1 |
00.00 |
05.13 (2) |
Nodal positive |
16.67 (1) |
23.08 (9) |
Perineural invasion |
33.33 (2) |
33.33 (13) |
Lymphovascular invasion |
16.67 (1) |
33.33 (13) |
Site |
|
|
Glottic |
50.00 (3) |
76.92 (30) |
Supraglottic |
16.67 (1) |
15.38 (6) |
Subglottic |
33.33 (2) |
07.69 (3) |
Prior tracheostomy |
100.00 (6) |
46.34 (19) |
*: Units are noted on the left-hand side column.