Comparison of ECT subjects with normal volunteers by mean scores

  All ECT subjects Normals Significance
 N=39N=53 
Wakefield self-rating scale17.27.9P <0.001
Middlesex Hospital questionnaire   
Total symptom score42.324.2P <0.001
Sub scales   
Free floating anxiety10.15.5P <0.001
Phobic fear6.33.3P <0.001
Obsessive symptoms and personality9.76.8P <0.001
Somatization complaints7.75.0P <0.001
Depression8.54.6P <0.001
Hysterical extravert personality4.43.9NS
Broadbent cognitive failures questionnaire73.963.9P <0.01

http://www.ect.org/resources/freeman/t2.html