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Table 3 Cognitive performance and memory functioning at entry and on discharge in suicide attempters and non-attempters adolescent inpatients. Comparison at entry and on discharge and change between groups

From: Improvement in cognitive and psychosocial functioning and self image among adolescent inpatient suicide attempters

  Adolescent
Groups Suicide attempters (n = 16)a,b Non-Attempters (n = 39)a,b Statistical significance of the change between the groups (n = 55)1
Cognitive performance and memory functioning At entry Mean(SD) On discharge Mean(SD) At entry Mean(SD) On discharge Mean(SD) Subjects Effects: *F(Suicide attempt or not) Main Effect: *F(Suicide attempt or not) and F(Number of therapy sessions)
General cognition (WAIS-R/FIQ) c 99.7 (10.7) 107.9 (9.6)*** 95.7 (10.7) 101.7(11.5)*** n.s. n.s.
-Verbal cognition (WAIS-R/VIQ) 97.0 (12.1) 104.0 (10.2)*** 95.2 (10.7) 98.2 (10.4)** *F(1,36) = 4.99, p = 0.032 n.s.
   -digit span 7.7 (2.1) 8.5 (2.1)* 7.7 (2.6) 8.5 (2.9)** n.s. n.s.
   -vocabulary 8.2 (2.7) 9.3 (2.4)* 7.5 (2.6) 7.8 (2.6) *F(1,36) = 7.54, p = 0.009 F(1,36) = 4.72, p = 0.036
   -similarities 8.3 (3.8) 10.7 (3.2)** 7.8 (3.3) 8.7 (3.2)** n.s. n.s.
-Nonverbal cognition (WAIS-R/PIQ) 103.5 (9.8) 112.1 (10.8)*** 97.9 (11.3) 106.1(15.3)*** n.s. n.s.
   -block design 9.7 (3.5) 11.7 (3.5)** 9.0 (2.9) 10.7 (3.3)*** n.s. n.s.
   -digit symbol 9.7 (2.3) 11.5 (1.9)*** 8.8 (2.4) 10.6 (3.0)*** n.s. n.s.
Immediate logical memory (WMS) 6.9 (3.2) 9.1 (3.5) 7.1 (4.8) 8.1 (4.5) F(1,36) = 3.86, p = 0.057 n.s.
Delayed logical memory (WMS) 4.6 (3.2) 6.4 (3.0) 5.0 (4.6) 5.7 (4.0) n.s. n.s.
Learning memory (LLT/total) 33.1 (6.3) 35.1 (8.7) 33.4 (8.8) 36.1 (9.6)** n.s. n.s.
Delayed recall memory (LLT) 7.5 (2.8) 8.0 (2.8) 8.6 (3.3) 8.7 (3.4) n.s. n.s.
Delayed recognition memory (LLT) 13.7 (1.2) 13.4 (1.5) 13.5 (1.8) 14.2 (2.7) n.s. n.s.
Delayed memory (delayed recall/learning memory total × 100) 22.2 (5.1) 23.5 (6.0) 23.7 (7.1) 22.6 (7.3) n.s. n.s.
  1. a Paired sample T-test, b Wilcoxon Signed Ranks non-parametric test; 1 adjusted means; *p < 0.05, **p < 0.01, ***p < 0.001, n.s. = non significant, 1 Comparisons are adjusted for following covariates: suicide attempt or not, current depressive mood, anhedonia at entry, number of days attending school, number of individual therapy sessions, psychotropic medication on discharge)