Fig. 1From: Screening for anxiety and depression: reassessing the utility of the Zung scalesVenn diagram illustrating overlap between diagnoses of depressive disorder on the PHQ (area a – pink ellipse), and positive screens on the DASS depression subscale (area b –green shaded ellipse) and the SDS with a revised cut-off: index scores of 55 and above (area c – clear ellipse). Figure produced using the eulerAPE software developed by Micallef and Rodgers [31]Back to article page