Table 2. Characteristics of Eligible Studies Considered in the Meta-Analysis.

Reference	Population	ACEIs	Dose (mg/d)	Interval (months)	Case			Control			Age- and sex- Matched
					Mean age (y)	Number	Male %(n)	Mean age (y)	Number	Male %(n)
20	Caucasian	enalapril (81.3%)	20	6	53	71	–	47	75	–	Unknown
34	Asian	benazepril	–	36	55.4	351	52.7 (185)	–	365	56.2(205)	Yes
21	Caucasian	lisinopril	20	1.5	57	99	47.5(47)	58.4	70	34.3(24)	No
31	Caucasian	enalapril	10–20	6	–	18	–	–	15	–	Yes
36	Asian	–	–	3	58.5	50	62.0(31)	58.3	60	61.7(37)	Yes
32	Asian	trandolapril	1	1	60	42	64.3(27)	59	54	53.7(29)	Yes
35	Asian	captopril	50	2	61.8	68	–	–	98	–	Unknown
18	Asian	perindopril	4	0.5	63.3	93	18.3(17)	58.6	96	68.8(66)	No
17	Asian	enalapril (75.5%)	20	–	65	31	51.6(16)	58	71	50.7(36)	No
33	Asian	lisinopril	–	1	72.1	52	71.2(37)	72.6	50	78.0(39)	Yes
19	Caucasian	enalapril	–	–	–	31	–	–	221	–	Unknown

–, not reported.