Research Article

Altered Functional Connectivity Strength at Rest in Medication-Free Obsessive-Compulsive Disorder

Table 1

Demographic and clinical characteristics of participants.

OCD patients ()HCs ()

Age (years)0.050.71
Sex (male/female)27/1325/130.0260.87
Education (years)-0.500.83
Illness duration (months)
Y-BOCS total score25.27<0.001
Y-BOCS obsessive thinking17.98<0.001
Y-BOCS compulsive behavior14.92<0.001
HAMD9.04<0.001
HAMA9.00<0.001
FD1.250.13
Time points scrubbed out0.250.95

OCD = obsessive-compulsive disorder; HCs = health controls; Y-BOCS = Yale-Brown Obsessive-Compulsive Scale; HAMD = 17-item Hamilton Depression Rating Scale; HAMA = Hamilton Anxiety Rating Scale; FD = framewise displacement. Variables of age, education, Y-BOCS total score, subscale score, HAMD score, HAMA score, and FD were tested by two-sample -tests, and the results were indicated by values. Categorical data such as gender was tested using the chi-square test, and the result was indicated by .