Table 4.
Stent occlusion after stent implantation
| Study | Reference | Type of study | USEMS | CSEMS | P-value |
|---|---|---|---|---|---|
| Omata et al. (2004) | [8] | RCT | 21/55 (38.2%) | 8/57 (14.0%) | <0.001 |
| Jang et al. (2018) | [26] | Retrospective study | 93/431 (21.6%) | 34/214 (15.9%) | 0.87 |
| Sakai et al. (2021) | [11] | RCT | 21/48 (43.8%) | 10/44 (22.7%) | 0.0467 |
| Kullman et al. (2010) | [13] | RCT | 45/200 (22.5%) | 47/200 (23.5%) | >0.5 |
| Yoon et al. (2006) | [14] | Retrospective study | 15/41 (36.6%) | 9/36 (25%) | 0.273 |
| Kawakubo et al. (2011) | [15] | Retrospective study | 8/21 (38.1%) | 5/44 (11.4%) | 0.015 |
| Conio et al. (2018) | [17] | RCT | 10/80 (12.5%) | 12/78 (15.4%) | 0.65 |
| Kitano et al. (2013) | [16] | Retrospective study | 22/60 (36.7%) | 14/60 (23.3%) | 0.081 |
USEMS, uncovered self-expanding metal stent; CSEMS, covered self-expanding metal stent; RCT, randomized–controlled trial; META, meta-analysis; OR, odds ratio; RR, relative risk; ns, not significant.