Depressive mood was assessed using the Brazilian validated version of the Hamilton Depression Scale (HAMD).21,22 The HAMD evaluates the severity of 17 depressive symptoms with a range of zero to 49. Patients with scores from seven to 13 are considered mildly depressed, from 14 to 18 moderately depressed, from 19 to
22 severely depressed, and more than 23 very severely depressed.