. Author manuscript; available in PMC: 2015 Jan 1.

Published in final edited form as: J Neurosurg. 2013 Nov 15;120(1):152–163. doi: 10.3171/2013.9.JNS13839

TABLE 2.

Follow-up data for OCD patients

	Anterior Cingulotomy		Limbic Leucotomy
Variable	Nonresponder (n = 9)^*	Responder (n = 2)	Nonresponder (n = 4)^*	Responder (n = 4)^*
mean preop Y-BOCS score	34 ± 1.4	33	32.5 ± 2.5	34.8 ± 2.1
most recent mean postop Y-BOCS score	32 ± 1.5	11	27.8 ± 1.9	13.0 ± 4.3
change in Y-BOCS score	−4.5% ± 3.3%	−66%	−13.5% ± 6.8%	−61.8% ± 12.9%
mean follow-up interval (mos)	35.4 ± 13.2	25	49.0 ± 17.6	25.7 ± 14.5
mean lesion volume (ml)	12.8 ± 13.2	12.6	10.9 ± 1.8	10.5 ± 0.6

Values presented as the mean ± SE.