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Table 2 Pearson inter-correlation for the MDI at the various weeks of treatment (N = 118)

From: Psychometric evaluation of the Major Depression Inventory (MDI) as depression severity scale using the LEAD (Longitudinal Expert Assessment of All Data) as index of validity

Weeks

VAS

MES

HAM-D17

HAM-D6

Baseline

0.39

0.54

0.51

0.32

Week 1

0.45

0.66

0.61

0.57

Week 2

0.64

0.73

0.72

0.70

Week 3

0.61

0.74

0.73

0.72

Week 4

0.69

0.79

0.77

0.76

Week 5

0.67

0.80

0.79

0.76

Week 9

0.66

0.84

0.83

0.82

All weeks

(N = 826)

0.74

0.83

0.82

0.80