Table 4.

Comparison of general psychopathological parameters between 'anhedonic' and 'normal hedonic' depressed patients

Psychopathological variables	'Normal hedonic' depressed patients (n = 41)	'Anhedonic' depressed patients (n = 24)	Z value
Depression (HDRS total score)	14.93 ± 4.84	19.50 ± 7.48	-2.63*
Negative dimension (SANS total score)	19.37 ± 15.07	31.67 ± 17.17	-2.76*
Affective flattening	6.00 ± 5.67	9.83 ± 8.01	-1.69
Alogia	1.83 ± 3.25	5.17 ± 5.02	-3.44**
Avolition/apathy	3.97 ± 3.28	5.92 ± 2.78	-1.41
Anhedonia/asociality	7.57 ± 5.15	9.75 ± 4.94	-1.39

Mean ± standard deviation (SD) and Mann-Whitney Z test values are reported.

*P < 0.05; **P < 0.01.

HDRS = Hamilton Depression Rating Scale; SANS = Scale for the Assessment of Negative Symptoms.