Characteristics | NP | SIP | SNSCC |
---|---|---|---|
Number of cases | 80 | 64 | 82 |
Age (years) | |||
  < 50 | 47 (58.8%) | 17 (26.6%) | 16 (19.5%) |
  ≥ 50 | 32 (40.0%) | 47 (73.4%) | 66 (80.5%) |
No clinical data | 1 (1.2%) | 0 (0.0%) | 0 (0.0%) |
Sex (%) | |||
 Male | 50 (62.5%) | 45 (70.3%) | 55 (67.1%) |
 Female | 29 (36.3%) | 19 (29.7%) | 27 (32.9%) |
 No clinical data | 1 (1.2%) | 0 (0.0%) | 0 (0.0%) |
Inflammation (%) | |||
 Sub-acute | 0 (0.0%) | 2 (3.1%) |  |
 Chronic | 15 (18.8%) | 2 (3.1%) |  |
 No inflammation | 64 (80.0%) | 52 (81.3%) |  |
 No clinical data | 1 (1.2%) | 8 (12.5%) |  |
Dysplastic change (%) | |||
 Focal dysplasia |  | 2 (3.1%) |  |
 Mild dysplasia |  | 2 (3.1%) |  |
 Severe dysplasia |  | 2 (3.1%) |  |
 No dysplasia |  | 50 (78.2%) |  |
 No clinical data |  | 8 (12.5%) |  |
Cell differentiation (%) | |||
 Undifferentiated |  |  | 1 (1.2%) |
 Poorly differentiated |  |  | 4 (4.9%) |
 Moderately differentiated |  |  | 12 (14.6%) |
 Well differentiated |  |  | 14 (17.1%) |
 No clinical data |  |  | 51 (62.2%) |
Invasion (%) | |||
 Invasive |  |  | 13 (15.8%) |
 Not invasive |  |  | 65 (79.2%) |
 No clinical data |  |  | 4 (4.9%) |
Recurrence (%) | |||
 Yes |  | 3 (4.7%) | 8 (9.7%) |
 No |  | 53 (82.8%) | 70 (85.4%) |
 No clinical data |  | 8 (12.5%) | 4 (4.9%) |
Metastasis (%) | |||
 Yes |  |  | 1 (1.2%) |
 No |  |  | 77 (93.9%) |
 No clinical data |  |  | 4 (4.9%) |