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Table 3 Descriptive statistics for psychotic symptoms, neurocognition, and working alliance

From: Therapeutic alliance in early schizophrenia spectrum disorders: a cross-sectional study

  Mean ± SD Min Max Median
PANSS     
Total score 66.9 ± 15.6 49 115 63.0
Positive (P1, P3, P5, P6, G9, G12) 17.0 ± 5.6 6 33 16.0
Disorganized (P2, N5, N7, G5, G10, G11, G15) 13.1 ± 4.3 7 24 12.0
Negative (N1, N2, N3, N4, N6, G7, G16) 15.4 ± 6.1 7 28 15.0
Depressive/anxious (G1, G2, G3, G4, G6) 13.4 ± 4.5 5 23 13.5
Excitative (P4, P7, G8, G14) 5.9 ± 2.2 4 13 6.0
Item G12 insight 2.3 ± 1.3 1 6 2.2
WAI-S patient     
Total score 61.6 ± 11.1 31 79 64.0
Task score 20.4 ± 4.1 8 28 20.2
Goal score 20.9 ± 3.8 12 27 21.5
Bond score 20.3 ± 4.9 7 28 20.7
WAI-S therapist     
Total score 62.4 ± 7.7 38 80 62.2
Task score 20.4 ± 3.4 12 28 20.2
Goal score 20.6 ± 3.0 10 26 20.8
Bond score 21.5 ± 2.6 15 26 21.5
WAIS-III (scaled scores)     
Vocabulary 9.71 ± 2.6 6 18 9.5
Similarities 9.74 ± 3.3 5 18 9.0
Block design 11.43 ± 3.6 5 19 11.0
Matrixes 11.48 ± 3.3 4 18 12.0
CVLT-II (z score)     
Long delay free recall −0.42 ± 1.5 −4 1.5 −0.2
WCST (T scores)     
Perseverative responses 45.49 ± 7.9 21 59 45.2
Perseverative errors 44.73 ± 8.2 20 63 45.0
CPT-II (T scores)     
Omissions 54.54 ± 12.8 40.9 101.1 49.9
Commissions 59.44 ± 11.1 38.1 79.9 61.6
  1. WAI-S, Working Alliance Inventory - Short Form; PANSS, Positive and Negative Syndrome Scale; SD, standard deviation; WAIS-III, Wechsler Adult Intelligence Scale III; CVLT-II, California Verbal Learning Test II; WCST, Wisconsin Card Sorting Test; CPT-II, Conners’ Continuous Performance Test II.