Table 2 Distribution of drug combinations used for at least 70% of the time.

Drugs	Case (n = 389)	Controls (n = 2344)
None	90 (23.1)	491 (20.9)
Antiplatelet agent alone	43 (11.1)	261 (11.1)
β Blocker alone	52 (13.4)	216 (9.2)
ACE inhibitor alone	17 (4.4)	116 (4.9)
Statin alone	3 (0.8)	29 (1.2)
Antiplatelet agent and β blocker	82 (21.1)	428 (18.3)
Antiplatelet agent and ACE inhibitor	13 (3.3)	86 (3.7)
Antiplatelet agent and statin	4 (1.0)	107 (4.6)
β Blocker and ACE inhibitor	23 (5.9)	84 (3.6)
β Blocker and statin	2 (0.5)	40 (1.7)
ACE inhibitor and statin	2 (0.5)	24 (1.0)
Antiplatelet agent, β blocker and ACE inhibitor	18 (4.6)	115 (4.9)
Antiplatelet agent, β blocker and statin	25 (6.4)	215 (9.2)
Antiplatelet agent, ACE inhibitor and statin	1 (0.3)	31 (1.3)
β Blocker, ACE inhibitor and statin	3 (0.8)	30 (1.3)
Antiplatelet agent, β blocker, ACE inhibitor and statin	11 (2.8)	71 (3.0)

Values are numbers (%).