| Characteristics and Risk Factors | Our Patient | Average AIIA Patient |
| Age | 48 years | >65 years |
| Onset of AIIA from Starting ACE-I Therapy | >8 years | Within 1 - 4 weeks |
| Gender | Male | Female |
| History of Prior Angioedema | Absent | Present |
| Seasonal Allergies | Absent | Present |
| Aspirin/NSAID Use | Absent | Present |
| Family History of Angioedema | Absent | Present |
| Tobacco Use History | Present | Present |