Table 1.
Demographic data distribution showing skeletal muscle invasion.
| DEMOGRAPHIC VARIABLES | Focal invasion | Moderate invasion | Severe invasion | |
|---|---|---|---|---|
| AGE | <40yrs | 1 (2%) | 7 (14%) | 3 (6%) |
| >40yrs | 3 (6%) | 25 (51%) | 11 (22.4%) | |
| GENDER | Male | 3 (6%) | 23 (47%) | 11 (22.4%) |
| Female | 1 (2%) | 8 (16.3%) | 3 (6%) | |
| SITE | Buccal mucosa | 3 (6%) | 13 (26.5%) | 3 (6%) |
| Tongue | 4 (8%) | 7 (14%) | ||
| Floor of mouth | 2 (4%) | |||
| Lip | 1 (2%) | 1 (2%) | 3 (6%) | |
| Retromolar area | 3 (6%) | |||
| Alveolus | 6 (12%) | |||
| Vestibule | 2 (4%) | |||
WDSCC – well-differentiated squamous cell carcinoma, MDSCC – moderately-differentiated squamous cell carcinoma, PDSCC – poorly-differentiated squamous cell carcinoma.
Significance threshold P value = 0.05.
P value for skeletal muscle invasion = 0.804 (>0.05).