Table 1 Summarizing characteristics
From: Quality of life in children suffering from headaches: a systematic literature review
Total number of studies | 61 studies |
|---|---|
Year of publication (range) | 1999 – 2022 |
Sample size (range) | 7 – 10,677 patients |
Comparison sample available (n of studies) | 31 studies |
Exclusion of patients with psychiatric comorbidities (n of studies) | 17 studies |
Age of patients included (range) | 2 – 18 years of age |
Including patients from high-income countries (n of studies) | 45 studies |
Including patients from upper-middle-income countries (n of studies) | 13 studies |
Including patients from lower-middle-income countries (n of studies) | 2 studies |