TABLE 1.
Historical data and the results of the RSI questionnaire for patients with early laryngeal carcinoma and the control group
| Parameter |
T1 N = 30 |
C N = 34 |
p |
|---|---|---|---|
| Gender – male / female | 25 / 5 | 21 / 13 | 0.055 |
| Age (mean /standard deviation – years) | 58.8 / 8.1 | 57.5 / 15.1 | 0.676 |
| RSI score (mean /standard deviation) | 10.8 / 4.3 | 3.9 / 3.1 | 0.000 |
| Smokers | 29 | 16 | 0.000 |
| Number of cigarettes/ day (mean /standard deviation) | 24 / 10.4 | 16.5 / 7.7 | 0.005 |
| Smoking years (mean /standard deviation) | 34.6 / 9.6 | 22.6 / 11.8 | 0.000 |
| Regular alcohol consumers | 10 | 17 | 0.178 |
| Duration of alcohol consumption (mean /standard deviation – years) | 29.5 / 12.9 | 29 / 12.2 | 0.914 |
| Occupational exposure to irritating substances | 28 | 6 | 0.000 |
T1 = patients with T1 laryngeal carcinoma; C = control group; N = number of subjects