Table 1.

Attentional bias scores for the depressed patients and non-depressed control subjects who participated in the study.

	Depressed patients n = 75	Non-depressed control subjects n = 90	t	Statistical significancea
Happiness bias score,b ms	247 ± 125	1003 ± 166	−6.97	P < 0.05
Sadness bias score,b ms	−570 ± 184	−1447 ± 189	6.39	P < 0.05

Data are presented as mean ± SE.

^aTwo sample t-test.

^bHappiness bias score was t_h–t_n and sadness bias score was t_s–t_n, where total fixation time on happy faces was t_h, on sad faces was t_s and on neutral faces was t_n.