Table 6.

Distribution of cases by presence of risk factors

Risk Factors	Frequency	Percentage
Drugs User
Yes	13	32.5
No	27	67.5
Smoke
Yes	19	47.5
No	21	52.5
Drink Alcohol
Yes	2	5
No	38	95
HIV Positive
Yes	5	12.5
No	35	87.5
Diabetic mellitus
Yes	5	12.5
No	35	87.5
Cancer
Yes	0	0
No	40	100
Cyanotic Heart Disease
Yes	1	2.5
No	39	98.5
Renal failure
Yes	1	2.5
No	39	98.5
Steroid treatment
Yes	1	2.5
No	39	98.5