Fig. 7

Key PROMs and ML techniques in studies of mental health patients. (A) PROMs that studies identified as outcomes of interest (B) PROMs which studies identified as significant outcome predictors (C) ML techniques that studies highlighted as best performing when more than one ML technique was investigated. European Organisation for the Research and Treatment of Cancer Quality of Life Questionnaire– Core Questionnaire (EORTC QLQ-C30), EuroQoL 5-Dimension (EQ-5D), Hospital Anxiety and Depression Scale (HADS), Patient Health Questionnaire (PHQ), Quick Inventory of Depressive Symptomatology (QIDS), Quality of Life in Epilepsy Inventory-10 (QOLIE-10), Support Vector Machine (SVM).