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Table 1 Baseline comparison between patients treated with conventional and atypical APDs: demographic, outcome, pharmacological, and clinical variables.

From: The switch from conventional to atypical antipsychotic treatment should not be based exclusively on the presence of cognitive deficits. A pilot study in individuals with schizophrenia

 

Conventional APD

Atypical APD

t

P

 

Mean

SD

Mean

SD

  

Age

33.69

10.03

32.69

7.49

0.350

0.728

Years of education

9.15

3.33

10.73

2.76

-1.56

0.126

Age at onset

22.76

5.44

26.03

7.60

-1.37

0.176

Years of illness

10.92

8.83

6.65

5.98

1.78

0.082

Number of prior episodes

2.91

1.97

1.91

1.28

1.83

0.075

Chlorpromazine equivalent units

1116.15

708.97

602.88

264.60

3.29

0.002

Biperiden (mg)

1.08

1.98

0.30

0.78

1.75

0.087

Diazepam units

6.43

10.48

2.11

7.89

1.44

0.158

Number of APD

1.23

1.59

1.00

0.00

1.99

0.054

PANSS positive

17.84

4.89

10.15

2.98

6.093

0.0001

PANSS negative

19.69

9.12

21.11

8.82

-0.470

0.641

PANSS general

31.61

8.69

30.11

7.07

0.578

0.567

PANSS total

69.15

17.36

61.38

16.32

1.37

0.178

HRSD-21

4.87

3.56

6.12

4.97

-0.65

0.519

Premorbid adjustment

4.50

1.06

3.60

2.14

0.113

0.265

  1. APD: Antipsychotic Drug; SD: Standard Deviation; HRSD-21: Hamilton Rating Scale for Depression, 21 items