Clinically significant change criterion calculator

Mounted by Chris Evans in 1998, last updated 21.xii.03
The following form calculates this for you:
Is the measure tuned positively, i.e. higher scores = better or negatively, i.e. higher scores = worse?

Initial mean for your clinical sample (use full stop "." for decimal point throughout)
and their standard deviation

Initial mean for your "normal" reference data
and their standard deviation

Press to submit your query.

The program would not have been possible without Steven E. Brenner's excellent Perl CGI-LIB library nor the whole WWW endeavour and the wonders of Perl.