Table 1 Demographics.

From: A multimodal magnetoencephalography 7 T fMRI and 7 T proton MR spectroscopy study in first episode psychosis

Measure

Control (HC, n = 24)

First episode psychosis (FEP, n = 22)

Statistic

p-value

Age, years

24.1 (5.0)

23.7 (4.7)

t(44) = 0.27

0.78

Sex, F/M

7/17

6/16

χ2(1) = 0.02

0.88

Smoker, yes/no

1/23

5/17

χ2(1) = 3.48

0.06

Parental SESa

3.4 (3.3)

3.6 (3.8)

t(43) = 0.10

0.91

RBANSb

93.8 (8.6)

74.0 (14.5)

t(39) = 5.39

<0.001

Illness duration, yearsc

–

1.02 (1.22)

–

–

BPRSd

    

Total

–

32.8 (9.9)

–

–

Positive

–

7.1 (3.7)

–

–

Negative

–

5.9 (2.4)

–

–

  1. Data are shown as Mean (SD).
  2. aSocioeconomic Status. Information not available for one patient. Ranks determined from the Diagnostic Interview for Genetic Studies (1–18 scale); higher rank (lower numerical value) corresponds to higher socioeconomic status.
  3. bRepeatable Battery for the Assessment of Neuropsychological Status. Information not available for three patients and two controls.
  4. cIllness duration is in years from time of first treatment to time of first scan.
  5. dBrief Psychiatric Rating Scale. Information not available for two FEP. Positive subscale: conceptual disorganization, hallucinatory behavior, and unusual thought content. Negative subscale: emotional withdrawal, motor retardation, and blunted affect.
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