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].
| Author | Randomization | Double blinding | Allocation concealment | Withdrawals/dropouts | Scores |
| Kalogeropoulos et al. [16] | NA | NA | NA | NA | NA | Vemmou et al. [17] | NA | NA | NA | NA | NA | Kim et al. [18] | Yes | Unclear | Unclear | Yes | 5 | Tian et al. [19] | Yes | Unclear | Unclear | Yes | 5 | Hong et al. [20] | NA | NA | NA | NA | NA |
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