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Table 2 Improved response format for the Clinical Global Impression improvement scale.

From: The improved Clinical Global Impression Scale (iCGI): development and validation in depression

6 Ideal improvement

5 Very considerable improvement

4 Considerable improvement

3 Moderate improvement

2 Slight improvement

1 Very slight improvement

0 State unchanged.

-1 Very slight deterioration

-2 Slight deterioration.

-3 Moderate deterioration

-4 Considerable deterioration

-5 Very considerable deterioration

-6 Maximum deterioration