Table 6.
Post-operative hemorrhage after stent implantation
| Study | Reference | Type of study | USEMS | CSEMS | P-value |
|---|---|---|---|---|---|
| Omata et al. (2004) | [8] | RCT | 2/55 (3.6%) | 0/57 (0.0%) | ns |
| Seo et al. (2019) | [20] | RCT | 0/60 (0.0%) | 1/59 (1.7%) | 0.5 |
| Kullman et al. (2010) | [13] | RCT | 1/200 (0.5%) | 0/200 (0.0%) | >0.5 |
| Kawakubo et al. (2011) | [15] | Retrospective study | 0/21 (0.0%) | 1/44 (2.3%) | ns |
| Yamashita et al. (2022) | [18] | META | OR (CSEMS vs USEMS) = 0.80 | ns | |
USEMS, uncovered self-expanding metal stent; CSEMS, covered self-expanding metal stent; RCT, randomized–controlled trial; META, meta-analysis; OR, odds ratio; ns, not significant.