Table 2.

Pearson’s correlation matrix between irritability, mania, depression and suicidal ideation symptom scores

	1	2	3	4	5	6	7
1. Irritability	1
2. YMRS total	0.734**	1
3. HAM-D total	0.477**	0.469**	1
4. HAM-D suicide	0.242*	0.151	0.448**	1
5. MADRS total	0.369**	0.332**	0.800**	0.493**	1
6. MADRS suicide	0.184	0.107	0.548**	0.768**	0.663**	1
7. Paykel	0.050	0.006	0.275*	0.723**	0.364**	0.592**	1

*Correlation is significant at the 0.05 level (two-tailed).

**Correlation is significant at the 0.01 level (two-tailed).

HAM-D, Hamilton Rating Scale for Depression; MADRS, Montgomery-Åsberg Depression Rating Scale; YMRS, Young Mania Rating Scale.