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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
 
From:
Neuropsychopharmacology. Author manuscript; available in PMC 2009 October 1.
Published in final edited form as:
Neuropsychopharmacology. 2009 April; 34(5): 1277–1287.
Published online 2008 October 22. doi: 10.1038/npp.2008.194

Table 1

Demographic and clinical characterization of the study samples.

Control (n=19)MDD (n=18)
Proportion Female (n)58% (11)61% (11)
Age (mean±SD)31 ± 8.531 ± 11
Proportion Right-Handed (n)100% (19)100% (18)
Depression Ratings
  MADRS (mean±SD)0.47 ± 1.222 ± 5.3
  IDS-C (mean±SD)0.59 ± 1.327 ± 6.5
Anxiety Ratings
  HAMA (mean±SD)0.59 ± 1.212 ± 4.3
Anhedonia IDS_C Ratings (Mean ± SD)0.06 ± 0.29.4 ± 3.2
Psychomotor Speed – Response latency on RVIP437±78491±118
Age-at-Illness-Onset (yrs) mean±SD (range)N/A19 ± 10 (6 – 41)
Illness Duration (years) mean±SD (range)N/A12 ± 8.5 (2 – 32)
Duration Medication-Free, Mos. mean±SD (range)N/A23 ± 35 (4 – 96)
Treatment Naïve (n)1911
Subjects with Remote History of Suicide Attempts (n)04
Prior Exposure to Antipsychotic Agent (n)01
Remote History of Alcohol (2) or Marijuana (1) Abuse (n)03
Comorbid Anxiety Disorder (n)05

Abbreviations. MADRS, Montgomery Asberg Depression Rating Scale; HAM-A, Hamilton Rating Scale for Anxiety; IDS-C, Inventory of Depressive Symptoms-Clinician Rated; RVIP, Rapid Visual Information Processing