Parameter

Number patients

Mean

patients

Standard error

Number controls

Mean

controls

Standard

error

Age participants

67

40.5

1.3

67

45.7

1.4

Age males

37

38.6

1.4

33

46.4

1.7

Age females

30

42.9

2.4

34

45.0

2.2

Body Mass Index (BMI)

53

30.0

1.2

66

26.7

0.6

Right hand dominance %

65

92.6

2.1

67

93.1

1.7

Urine creatinine (mmol/L)

66

9.2

0.7

67

9.5

0.7

5-Hydroxyl indole acetic acid (5-HIAA)

66

4.3

0.8

67

1.6

0.1

Plasma homocysteine (umol/L)

66

10.0

0.3

66

9.5

0.3

Red cell acetylcholine esterase (U/gb Hb)

61

39.8

0.7

67

39.6

0.7

Hearing threshold (Db)

60

533.3

33.3

64

515.6

24.8

Visual threshold of near vision

61

6.3

0.5

67

5.2

0.1