Fig. 3.

Forest plot for the pooling of anxiety prevalence. Studies were separated into subgroups based on the screening tool and cutoff values used for evaluating anxiety. The differences between subgroups were statistically significant (P<0.01).

Abbreviations: CI Confidence Interval; GAD-7 General Anxiety Disorder 7-item scale; SAS Zung Self-Rating Anxiety Scale; SCL-90 Symptom Checklist-90; DASS-21A Depression Anxiety Stress Scales, anxiety subscale; EAS Existence of Anxiety Scale; HAM-A Hamilton Anxiety Rating Scale; PQEEPH Psychological Questionnaires for Emergent Events of Public Health, STAI State-Trait Anxiety Inventory.