Research Article

Dual Antiplatelet Therapy in Patients Aged 75 Years and Older with Coronary Artery Disease: A Meta-Analysis and Systematic Review

Table 1

Baseline characteristics of the included studies.

Study Author YearTrialSample sizeGroupGropu sizeMean/Median,Age,YearsFemaleWhite race%BMI,Kg/m2Diabetesmellitus,%HypertensionCurrentsmokerPriorPCI,%PriorCABG,%Type ofACs,STEMI,%Type of ACs, NSTEMI,%

Wiviott et al, 2007TRITON-TIMI 3813,608Prasugrel681361 (53–69)259228 (25–31)23.064.0NRNR8.026.074.0
clopidogrel679561 (53–70)279328 (25–31)23.064.0NRNR7.026.074.0

Wallentin et al.,2009PLATO18,624Ticagrelor933362.028.491.827 (13–62)24.965.836.013.65.735.742.9
clopidogrel929262.028.391.127 (13–70)25.165.135.713.16.235.842.5

Roe et al.,2013TRILOGY ACS9,326Prasugrel (Age > 75)104380.0 (77.0–83.0)49.9NRNR34.987.57.420.717.3NR79.5
Clopidogrel (Age > 75)104079.0 (77.0–83.0)51.1NRNR35.187.48.218.415.4NR77.3

Wang et al, 2016200Ticagrelor10079 (76–85)31NRNR427937303744
clopidogrel10080 (74–86)34NRNR3982416503247

Savonitto et al.,2018ELDERLY ACS II1443Prasugrel71380 (77–84)41.0NR26 (24–28)30.078.09.020.08.042.048.0
clopidogrel73080 (77–84)39.0NR26 (24–28)28.078.09.016.010.041.047.0

Schmucker et al.,2019BREMEN-STEMI1087Ticagrelor53580.9 ± 4.749.9NR26.1 ± 4.120.6NR9.611.73.267.5NR
clopidogrel55280.9 ± 4.651.1NR25.9 ± 4.724.1NR14.310.22.960.2NR

Szummer et al.,2020SWEDEHEART14,005Ticagrelor (After IPTW)5,60785.0 ± 3.951.8NRNR22.269.15.613.39.030.9NR
Clopidogrel (After IPTW)8,42184.0 ± 3.951.6NRNR22.468.65.613.39.031.4NR

Gimbel et al.,2020POPular AGE1002Ticagrelor or prasugrel50277 (73–82)35NR26.9 ± 4.23073132417NR86
clopidogrel50077 (73–81)37NR26.7 ± 4.02973142017NR86

Data are median (IQR), mean ± standard deviation, or percentages as indicated. BMI = body mass index, PCI = percutaneous coronary intervention, CABG = coronary artery bypass graft, ACS = acute coronary syndrome, STEMI = ST elevation myocardial infarction, NSTEMI = non-ST elevation myocardial infarction, and IPTW = Inverse Probability Treatment Weighting.