Table 1.

DBH activity, its cofactor ascorbic acid and copper content in the serum of three different age groups of normal individuals and neurological patients of Bangladesh

Age groups (Years)	No. of samples	DBH activity (nmoles/min/ml of serum)		Amount of ascorbic acid (mg/dl of serum)		Amount of copper (mg/dl of serum)
		Normal	Patient	Normal	Patient	Normal	Patient
Group 1 (8–14 yrs)	12	22.6 ± 6.5	14.2 ± 4.5b	1.39 ± 0.25	1.08 ± 0.30a	90 ± 25.2	79 ± 15.4
Group 2 (20–40 yrs)	14	33 ± 7.6	23.4 ± 8.0b	1.82 ± 0.80	1.18 ± 0.36a	131.2 ± 30.6	124.7 ± 22.5
Group 3 (45–60 yrs)	12	30.2 ± 5.5	26.4 ± 4.0	1.56 ± 0.75	1.14 ± 0.25	122 ± 19.0	115 ± 16.8

Data are presented as Mean ± SD.

^aP<0.05;

^bP<0.01.