Research Article

The Clinical Effects of Intravascular Ultrasound-Guided Percutaneous Coronary Intervention in Patients with Chronic Total Occlusion: A Meta-Analysis

Table 3

Assessment of methodological quality of included studies [11].

AuthorRandomizationDouble blindingAllocation concealmentWithdrawals/dropoutsScores

Kalogeropoulos et al. [16]NANANANANA
Vemmou et al. [17]NANANANANA
Kim et al. [18]YesUnclearUnclearYes5
Tian et al. [19]YesUnclearUnclearYes5
Hong et al. [20]NANANANANA