Index

group

First Period

Second Period


Before intervention

After intervention

Before intervention

After intervention


N

Mean

SD

N

Mean

SD

Pvalue

N

Mean

SD

N

Mean

SD

Pvalue


Orientation

A^{a}

19

9.68

0.58

19

9.95

0.23

0.059

17

9.94

0.24

17

9.94

0.24

1.00

B

20

9.50

1.10

20

9.60

1.00

0.157

20

9.60

1.05

20

9.85

0.27

0.101

Pvalue

–

0.923

–

0.428
 
–

0.619

–

0.641
 
Immediate memory

A^{a}

19

2.95

0.23

19

3.00

0.00

0.317

17

3.00

–

17

3.00

0.00

1.00

B

20

2.75

0.44

20

2.85

0.37

0.157

20

2.75

0.64

20

2.80

0.62

0.317

Pvalue

–

0.296

–

0.428

–

–

0.442

–

0.619
 
Concentration and calculation

A^{a}

19

3.58

1.22

19

4.05

1.08

0.014

17

3.71

1.10

17

3.71

1.26

1.00

B

20

3.75

1.25

20

3.75

1.19

1.00

20

3.75

1.37

20

4.05

1.19

0.014

Pvalue

–

0.708

–

0.531

–

–

0.940

–

0.424

–

Remembrance

A^{a}

19

2.53

0.61

19

2.84

0.37

0.014

17

2.59

0.51

17

2.65

0.49

0.317

B

20

2.40

0.68

20

2.40

0.75

1.00

20

2.35

0.74

20

2.55

0.69

0.046

Pvalue

–

0.627

–

0.095

–

–

0.442

–

0.869

–

Language and understanding

A^{a}

19

7.53

0.61

19

7.74

0.56

0.102

17

7.65

0.70

17

7.71

0.69

0.564

B

20

7.40

1.00

20

7.55

0.83

0.083

20

7.50

0.89

20

7.65

0.67

0.083

Pvalue

–

0.923

–

0.607

–

–

0.729

–

0.752

–

Space situation

A^{a}

19

0.47

0.51

19

0.47

0.51

1.00

17

0.41

0.51

17

0.41

0.51

1.00

B

20

0.40

0.50

20

0.40

0.50

1.00

20

0.40

0.50

20

0.45

0.51

0.317

Pvalue

–

0.708

–

0.708

–

–

0.964

–

0.845

–

Cognitive impairment (general)

A^{a}

19

26.74

2.92

19

28.05

2.01

0.003

17

27.29

2.44

17

27.41

2.57

0.527

B

20

26.20

4.21

20

26.55

4.10

0.068

20

26.35

4.44

20

27.35

3.53

0.005

Pvalue

–

0.901

–

0.461

–

–

0.821

–

0.707

–

 ^{a}The group A took valerian capsules in the first therapeutic period of one month and placebo in the second therapeutic period of one month, and vice versa in group B