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Table 1 Patient Characteristics at Study Enrollment

From: Methodological issues in assessing changes in costs pre- and post-medication switch: a schizophrenia study example

  Analyzed Switchers a All Switchers Non-Switchers
N 105 191 460
Male, % 49.5 b 54.5 c 66.7 b, c
Age, mean (SD) 43.8 (13.2) 42.8 (12.5) 42.9 (11.9)
Age of onset, mean (SD) 22.5 (8.5) 22.1 (8.8) 22.3 (9.8)
Unemployed, (%) 82.9 81.2 81.1
Race, (%)    
   Caucasian 58.1 56.0 53.7
   African descent 34.3 33.0 33.9
   Other 7.6 11.0 12.4
Diagnosis, (%)    
   Schizophrenia 65.7 63.4 66.1
   Schizoaffective 27.6 28.3 25.9
   Schizophreniform 6.7 8.4 8.0
Comorbidities (%)    
   MDD 14.3 14.7 13.9
   Anxiety 3.8 2.6 6.3
   Substance Abuse 20.2b 27.4 33.7 b
Baseline PANSS total, mean (SD) 84.6 (19.3) 84.5 (18.8) 87.8 (20.3)
Hospitalization in year prior to enrollment 22.1b 27.1 32.3b
  1. Abbreviations: PANSS, positive and negative syndrome scale; MDD, Major Depressive Disorder
  2. aSwitchers with 60 days pre-switch and 60 days post-switch information available
  3. bp-value < .05 for comparison between analyzed switchers and nonswitchers
  4. cp-value < .05 for comparison between all switchers and nonswitchers