Predominant polarity in bipolar disorder and validation of the polarity index in a German sample

BMC Psychiatry

Table 2 Mean Values and tests of differences of Polarity Indices in predominant polarity groups

	DPP	MPP	Kolmogorov-Smirnov Z	p	Mann-Whitney U-Test	p
	(N = 169)	(N = 46)	Kolmogorov-Smirnov Z	p	Mann-Whitney U-Test	p
	Mean (SD)	Mean (SD)
Total Polarity Index	1.95 (0.20)	2.17 (0.37)	5.947	.000***	3579.5	.407
Polarity Index AP	1.87 (0.23)	2.20 (0.52)	6.091	.000***	388.5	.997
Polarity Index MS	0.63 (0.50)	0.89 (0.96)	5.733	.000***	3118.5	.024*

*p< .05.
***p< .001.
DPP = depressive predominant polarity, MPP = manic predominant polarity, UPP = uncertain predominant polarity, AP = Antipsychotics, MS = Mood Stabilizers.

ISSN: 1471-244X