From: A factor analytic comparison of three commonly used depression scales (HAMD, MADRS, BDI) in a large sample of depressed inpatients
MADRS
HAMD-17
Min
Max
Mean
SD
Cronbach´s alpha
Omega
1.00
51.00
22.70
10.47
0.92
0.88
36.00
16.22
7.72
0.85
0.86
BDI
0.59
0.58
0.00
58.00
19.97
11.42
0.91