Table 1 Demographic data on the participants
Covariate | Group 1: control patients | Group 2: short-term khat users diagnosed with OSCC | Group 3: long-term khat users diagnosed with OSCC |
|---|---|---|---|
No. of participating patients | 30 | 41 | 42 |
Age during diagnosis | |||
< 40 years | 13 | 22 | 24 |
≥ 40 years | 17 | 19 | 18 |
The amount of khat used | |||
Khat abuse patterns (times of use per week) | – | 2–3 | 4–6 |
The consumption time (in years) | – | 15–20 | > 20 |
Cancer in family history (not provoked by khat) | – | – | – |
History of Smoking | – | 28/ 41 (41.46%) | 19/ 42 (45.23%) |
Hypertension (HTN) | – | 28/41 (68.29%) | 37/42 (88.09%) |
Diabetes mellitus (DM) | – | 24/41 (58.53%) | 29/42 (69.04%) |