Table 1.
The demographic data of the study group and results of Narrow Band Imaging and histopathological diagnoses in analyzed material.
| Characteristics | Value |
|---|---|
| Number of NBI examinations | 134 |
| Mean age of patients | 60.7 years |
| Female | 45 (33.6%) |
| Male | 89 (66.4%) |
| Mean time of NBI examinations; SD (s); Median(s) | 127.82 s; 5.19 s; 110 s |
| NBI vascular pattern diagnosed in 134 lesions | |
| Type I | 16 |
| Type II | 36 |
| Type III | 35 |
| Type IV | 6 |
| Type Va | 10 |
| Type Vb | 15 |
| Type Vc | 16 |
| Histopathological diagnosis of analyzed lesions | |
| Normal mucosa | 4 |
| Inflammatory changes | 42 |
| Parakeratosis/hyperkeratosis | 36 |
| Low grade dysplasia | 6 |
| High grade dysplasia | 10 |
| Preinvasive cancer | 9 |
| Invasive cancer | 27 |