<qa>  What is the score range for CGI from 1 to 7?I Clinical Global Severity Clinical Global Impressions - Severity or Positive and Negative Symptom Scale PANNS: CGI Severity or PANNS is used by the clinician to record the severity of schizophrenic illness at the time of assessment. The score ranges for CGI are from 1 normal, not at all ill to 7 among the most extremely ill patients. One of these scales will be chosen to access the psychiatric conditions of the patients. 