Table 1.
Summary of clinical and histopathological characteristics of samples.
| NPD | PD/LSCC | TOTAL | |
|---|---|---|---|
| Patients | 42 | 24 | 66 |
| Age (years) | 64 (36–89) | 65 (39–86) | 64 (36–89) |
| Gender | |||
| Female | 6 | 1 | 7 |
| Male | 36 | 23 | 59 |
| Dysplasia | |||
| Low-grade | 16 | 2 | 18 |
| High-grade | 24 | 22 | 46 |
| No data | 2 | 0 | 2 |
| Anatomic site | |||
| Supraglottis | 0 | 1 | 1 |
| Glottis | 38 | 22 | 60 |
| Subglottis | 1 | 0 | 1 |
| No data | 3 | 1 | 4 |
| Follow-up (years) | 7 (5–19) | 5 (1–21) | 6 (1–21) |
| Tobacco use | |||
| Ex-smoker | 4 | 3 | 7 |
| Smoker | 26 | 17 | 43 |
| No-smoker | 5 | 0 | 5 |
| No data | 7 | 4 | 11 |
NPD, non-progressing dysplasia; PD, progressing dysplasia; LSCC, larynx squamous cell carcinoma.