Table 1.

Baseline characteristics of patients

	Nifedipine CR	Nifedipine tetard	P
Age (years)	55.4 ± 2.6	51.3 ± 2.0	NS
Males/females	6 : 6	8 : 5	NS
Height (cm)	160.1 ± 2.1	162.8 ± 2.3	NS
Body weight (kg)	65.0 ± 3.1	67.7 ± 3.6	NS
Body mass index (kg m−2)	25.3 ± 0.9	25.4 ± 0.9	NS