Figure 2From: Brief screening questions for depression in chiropractic patients with low back pain: identification of potentially useful questions and test of their predictive capacityProportion of patients with persistent activity limitations at 3-months follow-up in depressed (1) and non-depressed (0) according to four ways of screening. AUC = Area under the curve. LH + = Positive likelihood ratio. LH- = Negative likelihood ratio.Back to article page