PHQ-9: sensitivity to change over time.
Cameron
Isobel M
IM
Reid
Ian C
IC
Lawton
Kenneth
K
D003866:Depressive Disorder / Q000175:diagnosis*; D006801:Humans; D011569:Psychiatric Status Rating Scales / Q000592:standards*; D012680:Sensitivity and Specificity; D011795:Surveys and Questionnaires / Q000592:standards