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Table 1 Characteristics of late-life schizophrenia (LLS) and healthy older adults

From: Elevated activity of superoxide dismutase in male late-life schizophrenia and its correlation with clinical symptoms and cognitive deficits

 

LLS (n = 32)

Controls (n = 28)

t or χ 2

p

Age (years)

63.63 ± 2.87

63.96 ± 3.16

−.44

.66

Education (years)

10.0 ± 2.81

7.89 ± 3.48

2.56

.013

BMI (kg/m2)

23.86 ± 6.55

26.08 ± 2.90

−1.55

.23

Marital status

  

26.88

<.001

Single

50%

0

  

Married

25%

89.3%

  

Divorced or widowed

25%

10.7%

  

Cigarette smoking

68.8%

0

30.40

<.001

Age of onset (years)

27.06 ± 6.11

–

  

Antipsychotic

 

–

  

Atypical

78.1%

–

  

Typical

21.9%

–

  

Antipsychotic dose (mg/day, chlorpromazine equivalents)

320.35 ± 159.27

–

  

PANSS

 

–

  

Total score

65.87 ± 10.46

–

  

Positive symptoms subscore

13.71 ± 5.15

–

  

Negative symptoms subscore

24.16 ± 5.98

–

  

General psychopathology subscore

28 ± 4.66

–

  
  1. PANSS the Positive and Negative Syndrome Scale