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Table 1 Sample characteristics at baseline

From: A randomized, placebo-controlled trial of d-cycloserine for the enhancement of social skills training in autism spectrum disorders

Characteristics DCS (n=34) Placebo (n=33) p-value
Demographics    
Age (years), mean (SD) 8.38 (1.93) 8.25 (1.73) .76
Sex, n (%) male 28 (82.35) 27 (81.82) .95
Clinical Variables    
Stanford-Binet V, mean (SD)    
 Full Scale IQ 92.42 (17.76) 87.30 (15.74) .22
 NonVerbal IQ 95.15 (18.03) 90.82 (15.19) .30
 Verbal IQ 90.85 (18.97) 85.45 (16.83) .23
VABS-II Expressive Language subscale standard score, mean (SD) 87.38 (13.36) 84.55 (14.94) .42
Clinical Global Impression-Severity 4.03 (0.18) 4.06 (0.24) .58
Diagnosis, n (%)    
 PDD-NOS 12 (35.29) 15 (45.45) .40
 Autistic Disorder 3 (8.82) 5 (15.15) .48a
 Asperger’s Disorder 19 (55.88) 13 (39.39) .18
Concomitant medications, n (%)    
 Antipsychotics 8 (23.53) 8 (24.24) .95
 Alpha-2 Agonists 6 (17.65) 8 (24.24) .51
 Stimulants 14 (41.18) 11 (33.33) .51
 Sleep Aids 9 (26.47) 7 (21.21) .61
 Mood Stabilizers 1 (2.94) 2 (6.06) .61a
 Glutamatergic Modulators 1 (2.94) 0 (0.00) 1.00a
 Other 3 (8.82) 1 (3.03) .61a
Concomitant treatment, n (%)    
 Speech Therapy 19 (55.88) 16 (51.52) .72
 Occupational Therapy 12 (35.29) 15 (45.45) .40
 Behavioral Therapy 9 (26.47) 9 (27.27) .94
 Other Psychotherapy 1 (2.94) 2 (6.06) .61a
 Physical Therapy 0 (0.00) 2 (6.06) .24a
 Social Skills Training 3 (8.82) 2 (6.06) 1.00a
 Music Therapy 0 (0.00) 1 (3.03) .49a
 Other Treatments 3 (8.82) 0 (0.00) .24a
  1. a: Fisher’s Exact Test