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Table 1 Demographic and clinical characteristics of the TRS Group and Non-TRS Group

From: First-episode psychosis in treatment-resistant schizophrenia: a cross-sectional study of a long-term follow-up cohort

Variables

TRS Group

n = 79

Non-TRS Group

n = 182

Statistic Values

General information

 Age (years)

41.8 [11.1]

43.9 [11.5]

t = 1.375, P = 0.170

 Sex: Male/Female (n)

47/32

98/84

Chi = 0.712, P = 0.400

 Follow-up duration (days)

6139.7 [3692.6]

4477.8 [2269.7]

t = −3.708, P < 0.001

 Duration before meeting TRS (days)

3195.2 [3148.8]

 

Clinical index prior to treatment introduction

 Age at onset (years)

24.0 [8.30]

29.4 [9.63]

t = 4.306, P < 0.001

 Premorbid social adjustment

4.71 [3.15]

3.61 [2.88]

t = −2.723, P = 0.007

 DUP (months)

9.61 [16.5]

21.9 [47.8]

t = 1.976,

 DUP median

3.00

3.75

P = 0.049

 Mode of onset: Acute/Insidious (n)

38/41

74/108

Chi = 1.245, P = 0.264

Clinical index related to FEP

 Duration of initial hospital admission (days)

87.9 [205.6]

53.3 [49.4]

t = −1.476, P = 0.144

 GAF after FEP

50.1 [16.6]

61.0 [13.0]

t = 5.176, P < 0.001

 GAF > 70 (n)

11

52

Chi = 6.454, P = 0.011

 CP-dose for FEP treatment (mg)

562.4 [410.5]

703.4 [437.6]

t = 2.405, P = 0.017

  1. Abbreviations: CP chlorpromazine, DUP duration of untreated psychosis, FEP first-episode psychosis, TRS treatment-resistant schizophrenia