Smoking and Khat chewing habits in both groups
The majority > 95% in both groups are smokers. Patients
from the hot Khat group were using it for a duration of 7.3 ± 2.4 years
while those of the cold Khat using it for a duration of 6.9 ± 1.7 years,
(p-value = 0.647). The majority of patients 90.9% in hot Khat group and
86.7% in cold Khat group were using Khat more than twice per day,
(p-value = 1.000), as shown in Table 1.