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Table 1 Demographic data of study groups

From: Change of dopamine receptor mRNA expression in lymphocyte of schizophrenic patients

  

Control

Drug-med pts

Drug-free

Drug-naïve

 
  

(N=31)

(N=44)

pts(N=28)

pts(N=15)

p-value**

Age*

 

33.9 ± 9.5

37.3 ± 11.4

35.1 ± 9.1

30.8 ± 7.7

NS***

Sex

Male

17

33

6

16

NS***

 

Female

14

11

9

15

 

Age of symptom onset*

 

22.5 ± 6.8

26.7 ± 9.2

28.1 ± 7.8

NS***

Duration of illness*

 

12.7 ± 8.3

7.6 ± 5.2

2.5 ± 3.0

<0.01

TBPRS

 

36.1 ± 12.9

41.9 ± 25.4

36.9 ± 18.2

NS***

Dose of antipsychotics****

 

1000.1 ± 130.4

769.6 ± 491.2

614.2 ± 234.7

NS***

Duration of no-medication

  

10.61 ± 7.01

  

(mean months ± SD)

     
  1. * :mean ± standard deviation (years) ** :one-way ANOVA test, independent T-test, Chi-square test *** :NS; statistically non-significant **** :chlorpromazine equivalent dose (mg/cay)