Table 2. Changes in OCD severity, clinical impressions and depression.

	Active period	Sham period	P-value
Change after treatment (day 7)
Y-BOCS	−6 (−29, 0)	−2 (−20, 4)	0.07
Y-BOCS obsession subscale	−2 (0, 16)	−1 (−2, 10)	0.08
Y-BOCS compulsion subscale	−3 (0, 13)	−1 (−3, 10)	0.22
CGI	3 (1, 4) (NA=3)	3 (1, 5) (NA=1)	0.35
MADRS (change)	−2 (−28, 2) (NA=2)	0 (−19, 7) (NA=5)	0.64
Change at follow-up (day 35: 1 month after treatment)
Y-BOCS	−1 (−15, 5)	0 (−14, 6) (NA=2)	0.94
Y-BOCS obsession subscale	0 (−2, 7)	0 (−5, 8) (NA=2)	0.75
Y-BOCS compulsion subscale	0 (−3, 8)	0 (−1, 6) (NA=2)	0.59
CGI	3 (1, 4) (NA=1)	3 (1, 5) (NA=5)	0.74
MADRS	0 (−21, 10) (NA=3)	−1 (−6, 13) (NA=6)	0.69

Abbreviations:

CGI, Clinical Global Impression Scale; MADRS, Montgomery and Asberg Depression Rating Scale; NA, number of missing data; OCD, obsessive-compulsive disorder; Y-BOCS, Yale-Brown Obsessive Compulsive Scale.

For all results, data are summarized numerically, with medians (range) for quantitative outcomes and numbers (percentage) for qualitative outcomes.