|   Variables (Exposure to Potential Risks)  |       Yes  |       No  |       p-value  |    
|   Dental procedures  |       04.80% (26/542)  |       8.4% (107/1279)  |       0.008  |    
|   History of blood transfusion  |       12.00% (17/142)  |       7.0 (117/1671)  |       0.032  |    
|   Hemodialysis  |       30.00% (03/10)  |       7.4% (132/1785)  |       0.034  |    
|   Washam (tattoos)  |       0% (0/4)  |       7.2% (135/1795)  |       0.732  |    
|   Family history of (HBV/HCV)  |       53.3% (57/107)  |       3.1% (48/1566)  |       0.002  |    
|   History of surgery  |       6.8 (21/309)  |       7.5 (114/1512)  |       0.649  |    
|   Hospitalization  |       6.80% (39/576)  |       7.7% (97/1261)  |       0.484  |    
|   Hijama (cupping)  |       12.1% (8/66)  |       7.4% (127/1726)  |       0.341  |