Table 3.

Baseline characteristics of the patients

Study	Age (year)	Males (%)	HT (%)	Ds (%)	DM (%)	CS (%)
	C + PPI/C alone	C + PPI/C alone	C + PPI/C alone	C + PPI/C alone	C + PPI/C alone	C + PPI/C alone
Bhurke 2012	61.5/59.6	68.7/76.3	-	-	28.9/26.4	-
Burkard 2012	66.5/63.3	68.8/79.9	72.5/65.0	73.4/75.9	29.6/17.2	24.8/29.8
Chitose 2012	70.3/68.9	71.6/72.2	77.9/79.0	61.9/61.7	35.3/33.7	23.9/26.2
Douglas 2012	71.0/68.0	58.0/65.0	-	-	34.0/29.0	16.0/18.0
Dunn 2013	63.9/62.5	69.3/72.3	49.5/51.5	39.4/41.2	16.5/20.3	23.9/29.6
Goodman 2012	63.0/62.0	72.4/71.2	65.6/65.4	49.8/45.0	25.8/24.7	36.2/35.7
Hsieh 2015	68.4/66.5	63.6/66.4	-	-	-	-
Macaione 2012	63.7/65.8	80.2/87.3	70.2/81.8	53.7/58.2	41.3/49.1	37.2/27.3
Weisz 2015	64.4/63.2	70.1/75.9	83.7/77.8	76.9/73.2	34.8/31.4	22.7/22.6
Zou 2014	66.2/65.7	73.5/73.9	71.3/70.4	60.2/62.3	25.8/23.6	32.2/31.0
Gargiolo 2016	71.2/68.1	72.5/79.2	72.5/71.3	53.8/55.3	23.3/24.8	22.6/24.4

Abbreviations: C Clopidogrel, PPI Proton pump inhibitor, HT Hypertension, Ds Dyslipidemia, DM Diabetes mellitus, CS Current smoker