Table 2.

Bias corrected (Hedges) effect sizes for each study.

	rTMS				ECT
Study			Confidence interval				Confidence interval
	Effect size	Standard error	Lower	Upper	Effect size	Standard error	Lower	Upper
Keshtkar 2011 [31]	0.90	0.26	0.39	1.40	2.82	0.32	2.21	3.44
Hansen et al. 2011 [27]	1.31	0.28	0.75	1.87	2.07	0.32	1.45	2.70
Eranti 2007 [32]	0.74	0.30	0.16	1.33	2.83	0.43	1.99	3.66
Rosa et al. 2006 [29]	1.61	0.36	0.89	2.32	1.56	0.42	0.74	2.38
Schulze-Rauschenbach et al. 2005 [33]	1.90	0.43	1.07	2.73	1.67	0.44	0.81	2.53
O'Connor et al. 2003 [20]	0.56	0.39	−0.20	1.31	2.27	0.48	1.32	3.22
Grunhaus et al. 2003 [34]	1.54	0.36	0.83	2.25	1.93	0.38	1.18	2.68
Janicak et al. 2002 [26]	1.93	0.47	1.00	2.86	2.17	0.59	1.00	3.33
Grunhaus et al. 2000 [28]	1.49	0.36	0.79	2.19	1.90	0.38	1.16	2.65