Table 4.

Urea and creatinine content in the serum of three different age groups of normal individuals and neurological patients of Bangladesh

Age Groups (Years)	No. of Samples	Amount of urea (mmol/l of serum)		Creatinine Content (mg/dl of serum)
		Normal	Patient	Normal	Patient
Group 1 (8–14 yrs)	12	4.8 ± 0.50	5.0 ± 0.27	0.9 ± 0.17	0.8 ± 0.16
Group 2 (20–40 yrs)	14	5.12 ± 0.42	5.2 ± 0.48	1.2 ± 0.24	0.95 ± 0.20a
Group 3 (45–60 yrs)	12	5.25 ± 0.49	5.4 ± 1.04	1.32 ± 0.21	1.03 ± 0.15b

Data are presented as Mean ± SD.

^aP<0.01;

^bP<0.001.