Table 2

BIS total score: effect sizes
Study BD group Control group Effect size
Mean (SD) Mean (SD)
Ekinci et al. (2011) N = 71 N = 50 3.97
74.33 (7.85) 50.36 (3.48)
Etain et al. (2013)a N = 385 N = 185 0.65
66.1 (11.1) 59.5 (8.4)
Henna et al. (2013) N = 54 N = 136 2.02
73.9 (13.2) 53.2 (9.1)
Ibanez et al. (2012) N = 13 N = 25 0.83
54.2 (22.3) 40.9 (12.8)
Lewis et al. (2009) N = 36 N = 30 -0.23
58.7 (8.2) 60.8 (10.0)
Lombardo et al. (2012) N = 54 N = 49 2.45
72.9 (12.1) 52.4 (8.9)
Peluso et al. (2007) N = 12 N = 51 1.99
75.0 (15.1) 56.1 (8.2)
Strakowski et al. (2010) N = 28 N = 35 1.07
61 (11) 51 (8)
Swann et al. (2003) N = 22 N = 35 1.43
77.1 (13.8) 59.9 (9.3)
Swann et al. (2004) Not provided Not provided

aMeans obtained from author as not reported in original paper.

Newman and Meyer

Newman and Meyer International Journal of Bipolar Disorders 2014 2:2   doi:10.1186/2194-7511-2-2

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