Fig. 2From: Clinical factors and pre-surgical depression scores predict pain intensity in cardiac surgery patientsCES-D scores at preoperative, hospitalization, and 10Â days post-operative time points in post-surgery patients with severe pain versus patients with no pain to moderate pain severity. Red bars represent severe pain category. Blue bars represent no pain to moderate pain intensity category. Y axis represents the Center for Epidemiological Study of Depression (CES-D) scoresBack to article page