Table 2 Main features of the studies
Studies | No of participants assigned to crush technique (n) | No of participants assigned to provisional stenting technique (n) | Time period of patients’ enrollment (years) | Type of study | Bias risk grade |
|---|---|---|---|---|---|
Baystrukov2017 | 73 | 73 | 2011–2013 | RCT | B |
CACTUS | 177 | 173 | 2004–2007 | RCT | A |
DKCRUSH II | 183 | 183 | 2007–2009 | RCT | A |
DKCRUSH V | 240 | 242 | 2011–2016 | RCT | A |
Galassi2009 | 199 | 258 | 2004–2006 | OS | – |
Kim2015 | 213 | 206 | 2008–2015 | RCT | A |
Total no of patients (n) | 1085 | 1135 |