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Table 1 Proportion of patients responding (CGI-I = 1 or 2) to ECT in relation to patient characteristics

From: Predictors of the short-term responder rate of Electroconvulsive therapy in depressive disorders - a population based study

Sex N = 936 Men (n = 399) 79.7% χ2 = 0.08 p = 0.78
  Women (n = 537) 80.4%  
Age (years) N = 936 Age < 50 years (n = 388) 74.2% χ2 = 14.5, p < 0.001
  Age ≥ 50 years (n = 548) 84.3%  
Diagnoses N = 936 Major depression, single episode (n = 149) 85.2% χ2 = 9.1 df, =4 p = 0.060
  Major depression, recurrent (n = 559) 81.0%  
  Bipolar I, depressed (n = 113) 77.9%  
  Bipolar II, depressed (n = 67) 73.1%  
  Schizoaffective disorder, depressed (n = 48) 68.8%  
Severity N = 917 Mild/moderate (n = 290) 72.8% χ2 = 21.7 df 2 p < 0.001
  Severe, non-psychotic (n = 401) 81.5%  
  Severe, psychotic (n = 226) 88.9%  
Co-morbid Anxiety diagnosis N = 936 With co-morbid anxiety diagnosis (n = 254) 78.0% χ2 = 1.04, p = 0.31
  Without co-morbid anxiety diagnosis (n = 682) 80.9%  
Co-morbid Dependence diagnosis N = 936 With co-morbid dependence diagnosis (n = 102) 77.5% χ2 = 0.52, p = 0.47
  Without co-morbid dependence diagnosis (n = 834) 80.5%  
Co-morbid Personality disorder N = 936 With personality disorder (n = 77) 66.2% χ2 = 10.2, p = 0.001
  Without known personality disorder (n = 859) 81.4%  
Out/in patient N = 936 Outpatient (n = 181) 66.3% χ2 = 27.0, p < 0.001
  Inpatient (n = 755) 83.4%  
Involuntary admission N = 936 Involuntary hospital admission (n = 144) 87.5% χ2 = 5.81, p = 0.016
  Voluntary hospital admission (n = 792) 78.8%