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Table 3 Result of statistical analysis

From: Prevalence of elevated serum anti-N-methyl-D-aspartate receptor antibody titers in patients presenting exclusively with psychiatric symptoms: a comparative follow-up study

 

Positive patients (n = 6)

Negative patients (n = 53)

P-value

Statistical method

Age

41.67 ± 16.21

41.89 ± 13.54

0.9775

Welch’s t test

Sex (M/F)

2/4

21/32

1.0000

Fisher’s direct exact test

Pulse rate (/min)

80.33 ± 17.42

96.66 ± 21.35

0.0971

Welch’s t test

Systolic blood pressure (mmHg)

122.17 ± 19.71

126.42 ± 20.83

0.6483

Welch’s t test

Diastolic blood pressure (mmHg)

78.17 ± 13.53

81.76 ± 14.51

0.5782

Welch’s t test

Body temperature (°C)

36.55 ± 0.65

36.74 ± 0.46

0.5471

Welch’s t test

Japan coma scale (0/1/2/3/10/30/100)

4/2/0/0/0/0/0

19/12/5/3/1/1/1

0.4245

Mann–Whitney U test

Precedent infection

0

8

0.5812

Fisher’s direct exact test

Episode times (1/2/3/4/>5)

4/0/1/0/1

17/19/4/3/9

0.3291

Mann–Whitney U test

Treatment period (0/3 months/1 years/5 years/10 years/>10 years)

4/0/0/0/0/0/2

18/1/1/2/11/8/10

0.4987

Mann–Whitney U test

Anxiety/Depression symptoms

3

36

0.3822

Fisher’s direct exact test

 Irritation

3

23

1.0000

 Anxiety

2

24

0.6814

 Depressive mood

1

6

1.0000

 Depersonalization

0

0

*

 Sleep disorder

2

25

0.6752

 Will drop

1

5

1.0000

 Concentration drop

1

8

1.0000

 Suicidal feeling

1

8

1.0000

Mania symptoms

1

16

0.6597

 Hyperthymia

1

10

1.0000

 Hyperlogia

1

11

1.0000

 Hyperactivity

0

4

1.0000

 Flight of idea

0

2

1.0000

Schizophrenia-like symptoms

5

51

0.1978

 Auditory hallucination

3

31

0.6838

 Visual hallucination

0

3

1.0000

 Delusion

3

40

0.3231

 Obfuscation

2

8

0.5770

 Excitement

3

24

1.0000

 Echolalia

0

0

*

 Echopraxia

0

3

1.0000

 Stereotypic language

0

0

*

 Stereotypic movement

0

0

*

 Catalepsy

0

4

1.0000

 Idle–Autosynnoia

0

4

1.0000

 Flattened feeling

1

3

0.3619

Neurological symptoms

0

1

1.0000

 Convulsion (Complex partial seizure)

0

1

1.0000

 Orolingual dyskinesia

1

2

0.2838

 Systemic dyskinesia

0

1

1.0000

 Eye ball dyskinesia

0

2

1.0000

 Instability of blood pressure

0

1

1.0000

 Sweating and drooling abnormality

0

3

1.0000

 Disorientation

0

0

*

 Amnesia

0

7

0.5739

  1. * statistical examination was not performed