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Table 1 Basic demographic and clinical characteristics of the study sample

From: Use of electroconvulsive therapy in adolescents with schizophrenia in China

  The whole sample (N = 835) ECT group (N = 411) Non-ECT group (N = 424) Statistics
N % N % N % X DF P
Male 439 52.6 246 59.9 193 45.5 17.2 1 < 0.001
High risk for aggression 246 29.5 174 42.3 72 17 64.6 1 < 0.001
High risk for suicide 77 21.2 124 30.2 53 12.5 39.0 1 < 0.001
Family history 98 11.7 60 14.6 38 9 6.4 1 0.011
SGAs 812 97.3 403 98.1 409 96.5 2.0 1 0.160
FGAs 56 6.7 26 6.3 30 7.1 0.2 1 0.665
Antidepressants 187 22.4 115 28.0 72 17.0 14.5 1 < 0.001
Benzodiazepines 496 59.4 268 65.2 228 53.8 11.3 1 0.001
Mood stabilizers 126 15.1 59 14.4 67 11.1 0.3 1 0.559
  Mean SD Mean SD Mean SD Z   
Age (year) 15.5 1.44 15.9 1.31 15.2 1.48 9.2   0.003
Hospitalizations (n) 1.86 1.12 1.88 1.15 1.83 1.01 0.15   0.696
Length of hospitalization (days) 36.7 15.47 36.4 15.27 37.0 15.67 0.24   0.628