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Table 3 Comparisons of paraoxonase activity between patients and control group by demographic and clinical variables

From: Lower paraoxonase 1 activity in Tunisian bipolar I patients

Variables

Bipolar I patients (n = 66)

Control subjects (n = 64)

P value

 

N

Mean ± SD

N

Mean ± SD

 

Gender

     

Male

46

170 ± 125

34

232 ± 95

0.01

Female

20

180 ± 121

30

298 ± 75*

< 0.001

Age, years

     

< 25

11

124 ± 82

24

254 ± 87

< 0.001

25-60

51

189 ± 131

32

266 ± 96

0.003

≥60

4

107 ± 51

8

274 ± 97

0.003

BMI, kg/m2

     

< 25

28

162 ± 119

39

257 ± 101

0.001

25-30

22

186 ± 135

16

284 ± 86

0.008

≥30

16

175 ± 117

9

251 ± 52

0.04

Cigarette smoking

     

Yes

34

180 ± 122

28

235 ± 92

0.04

No

32

167 ± 125

36

284 ± 87*

< 0.001

Alcoholic beverages

     

Yes

7

236 ± 121

14

243 ± 102

0.89

No

59

166 ± 122

50

268 ± 89

2.10 × 106

Episode of illness

     

Depressive

6

254 ± 174

   

Euthymic

42

177 ± 123

   

Manic

18

137 ± 94

   

Treatment

     

Lithium (A)

5

73 ± 45

   

Carbamazepine (B)

8

175 ± 114

   

Valproic acid

31

180 ± 121

   

All mood stabilisers

44

167 ± 117

   

Antipsychotics

22

187 ± 137

   
  1. *A vs B: P < 0.05.
  2. BMI = body mass index.