| Patients with MEFV Variants (n=13) | Patients without MEFV Variants (n=7) | P Value | |
|---|---|---|---|
| Age at onset (years) | 2.8±1.9 | 3.2±1.9 | NS |
| Age at Diagnosis (years) | 4.3±2.2 | 4.9±1.9 | NS |
| Male: female ratio | 5/8 | 4/3 | NS |
| Family history of PFAPA | 4/9 | 3/4 | NS |
| Attack duration (days) | 3.6±0.86 | 5.3±1.89 | P=0.0174 |
| Interval between attacks (weeks) | 4.9±1.59 | 5.5±0.96 | NS |
| Cyclic periodic attacks | 5/13 | 4/7 | NS |
| Pharyngitis | 13/13 | 7/7 | NS |
| Aphthae | 7/13 | 5/7 | NS |
| Enlarged tonsillitis | 13/13 | 7/7 | NS |
| Abdominal pains | 1/13 | 2/7 | NS |
| Musculoskeletal Pains | 1/13 | 2/7 | NS |
| Headaches | 4/13 | 5/7 | NS |
| WBC/L | 143±41 | 142±41 | NS |
| ESR mm/h | 87±23 | 72±14 | NS |
| CRP levels mg/dL | 6.52±3.53 | 5.87±2.85 | NS |