Table 1 Clinical description of population

From: Methylomic changes during conversion to psychosis

 

Converters

Non-converters

Significance

 

n=14

n=25

 

Clinical variables mean (s.d.)

 Sex ratio (M/F)

9/5

13/12

P=0.52a

 Age

21.9 (3.6)

23.8 (4.1)

P=0.17b

 Body mass index

20.9 (3.5)

21.9 (4.7)

P=0.66b

Follow-up

 Biological interval in months

10.1 (7.2)

11.4 (5.8)

P=0.62b

 Clinical follow-up in months

10.7 (7)

12.7 (5.7)

P=0.22b

Substance use (user/non-user)

 Lifetime cannabis use

7/7

5/20

P=0.07a

 Alcohol use (once a week during 6 months)

6/8

13/12

P=0.74a

 Daily/regular tobacco use

7/7

10/15

P=0.39a

Psychotropic treatment during follow-up

 Antipsychotic or valproate introduction

6/8

4/21

P=0.12a

 Other psychotropic medication introduction

4/10

2/23

P=0.16a

  1. Abbreviations: F, female; M, male. Biological interval represents time between the two blood samples. Clinical follow-up represents time between inclusion and final status assessments.
  2. aP is given by Fisher’s test.
  3. bP is given by non-parametric Mann–Whitney test.
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