Median and Mean Values of Parameters in Each Study.

Note: Numbers in parentheses are IQR and standard deviation for median and mean values, respectively. SA: median and mean of parameter values computed across all cases in studies having substance abusers; NC: median and mean of parameter values computed across all cases in studies having non-clinical participants. The Total has the median and mean computed across all cases and studies. When SA and NC are superscripts, they indicate whether the study contains substance abusers or non-clinical people.Median and Mean Values of Parameters in Each Study.