Table 1 Patient characteristics
From: Role of blue dye test as an early predictor of post-laryngectomy pharyngocutaneous fistula
|  | Patients (n = 40) | ||
|---|---|---|---|
No | % | ||
Age (years) |  < 65y | 26 | 65.0 |
 > 65y | 14 | 35.0 | |
Mean ± SD (range) | 61.2 ± 10.3 (37–82) | ||
Sex | Male | 39 | 97.5 |
Female | 1 | 2.5 | |
Tobacco | Yes | 35 | 87.5 |
No | 5 | 12.5 | |
Alcohol | Yes | - | - |
No | 40 | 100 | |
Diabetes mellitus | Yes | 6 | 15.0 |
No | 34 | 85.0 | |
Hypothyroidism | Yes | 3 | 7.5 |
No | 37 | 92.5 | |
Tumor pT stage | T1-T3 | - | - |
T4 | 40 | 100 | |
Previous radiation treatment | Yes | 16 | 40.0 |
No | 24 | 60.0 | |
Pharyngeal closure | Primary | 36 | 90.0 |
Flap | - | - | |
PMMC | 2 | 5.0 | |
Supraclavicular | 2 | 5.0 | |
Fistula | Yes | 7 | 17.5 |
No | 33 | 82.5 | |
Diagnosis time (days) | Mean ± SD Median (Range) | 19.1 ± 6.5 9 (5–35) | |
Management of fistula | Conservative | 5 | 12.5 |
Surgical | 2 | 5.0 | |
Median time for fistula healing (days) | Conservative Median (Range) | 22 (19–30) | |
Surgical Median (Range) | 54 (37–70) | ||