Fig. 2From: Cilostazol for the prevention of pneumonia: a systematic reviewRisk of pneumonia and cerebral infarction with cilostazol treatment compared with no antiplatelet. A meta-analysis was not performed because of the small number of trials. Yamaya et al. (2001) [16] compared cilostazol with no active treatment without placebo. Shinohara et al. (2006) [10] compared cilostazol with placeboBack to article page