| HRQoL | Health-Related Quality of Life |
| PFAPA | Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis Syndrome |
| PedsQL | Pediatric Quality of Life Scale |
| QoL | Quality of Life |
| SD | Standard Deviation |
| SDQ | Strengths and Difficulties Questionnaire |
| HRQoL | Health-Related Quality of Life |
| PFAPA | Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis Syndrome |
| PedsQL | Pediatric Quality of Life Scale |
| QoL | Quality of Life |
| SD | Standard Deviation |
| SDQ | Strengths and Difficulties Questionnaire |