Table 1.

Characteristics of study population.

	Group A	Group B
Number of patients	6	4
Age (years)	69.8 ± 5.2	55.7 ± 1 2.4
Gender (male/female)	3/3	4/0
Body mass index (kg/m2)	28.8 ± 5.6	28.3 ± 1.2
Systolic blood pressure (mm Hg)	134 ± 22	135 ± 17
Diastolic blood pressure (mm Hg)	82 ± 8	81 ± 10
Heart rate (beats/min)	65 ± 10	77 ± 15
Time on dialysis (months)	6.7 ± 2.6	6.3 ± 0.5

Data are expressed as number or mean ± standard deviation.