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Table 1 Comparison of the schizophrenia, healthy control, and sibling groups for recognition reaction time for three kinds of facial expression

From: Changes in event-related potentials in patients with first-episode schizophrenia and their siblings

 

Healthy controls (N = 30)

Schizophrenia (N = 30)

Siblings (N = 26)

F

P

Happiness

 Low

616.4 ± 92.9

538.9 ± 99.9

614.3 ± 87.3

8.211

>0.05

 Moderate

602.1 ± 94.9

493.9 ± 119.2

554.5 ± 64.7

6.611

>0.05

 High

520.9 ± 81.9

459.1 ± 99.9

551.0 ± 69.6

1.134

>0.05

Disgust

 Low

600.4 ± 101.1

544.5 ± 125.7

608.9 ± 122.9

5.751

>0.05

 Moderate

615.7 ± 76.4

531.7 ± 131.4

604.3 ± 98.3

7.167

>0.05

 High

591.9 ± 102.1

528.8 ± 127.5

549.4 ± 111.0

2.036

>0.05

Fear

 Low

623.5 ± 98.5

509.1 ± 106.2

548.1 ± 98.9

10.631

>0.05

 Moderate

642.0 ± 77.3

522.3 ± 111.0

591.6 ± 86.1

7.206

>0.05

 High

594.9 ± 90.8

498.2 ± 118.9

548.0 ± 106.6

3.673

>0.05

  1. Data are mean ± standard deviation
  2. *P < 0.05 vs. the healthy control group