Table 1.

Relative distribution of calcium antagonist (CA) prescribing

	Sample distribution		Australian distribution (HIC) data
CA	n	%	n	n per month	%
Nifedipine	91	24.5	1 369 899	114 158	17.1
Amlodipine	84	22.6	2 109 175	175 764	26.4
Felodipine	81	21.8	1 746 982	145 582	21.8
Verapamil	73	19.7	1 223 491	101 958	15.3
Diltiazem	42	11.3	1 546 254	128 854	19.3
Total	371	100.0	7 995 801	666 316	100.0

HIC, Health Insurance Commission.