Table 1. RCT studies included in meta-analysis.
| study | stent | Covering materials | NO.of patients | Gender (M/F) | age(y) | stent patency (days) | patient survival (days) | No.of stent dysfunction | No. of complications |
|---|---|---|---|---|---|---|---|---|---|
| Kullman,E, 2010 | uncovered | 200 | 91/109 | median 76 | mean 154 | Median 174 | 45 | 20 | |
| covered | Polycarbonate- polyurethane | 200 | 88/112 | median 79 | mean 199 | median 116 | 47 | 14 | |
| Telford,J.J, 2010 | uncovered | 61 | 31/30 | median 65 | median 711 | median 239 | 12 | 27 | |
| covered | permalume | 68 | 30/38 | median 66 | Median 357 | Median 227 | 23 | 48 | |
| Kitano, M, 2013 | uncovered | 60 | 29/31 | mean±sd 68.7±8.9 | mean±sd 166.9±124.9 | median 223 | 22 | 2 | |
| covered | silicone | 60 | 25/35 | mean±sd 70.6±10.7 | mean±sd 9.3±159.1 | median 285 | 14 | 2 | |
| Krokidis,M, 2010 | uncovered | 30 | 16/14 | mean 63.7 | mean 166 | median 180.5 | 9 | 4 | |
| covered | ePTFE/FEP | 30 | 20/10 | mean 66.5 | mean 227.3 | median 243.5 | 4 | 3 | |
| Krokidis,M, 2011 | uncovered | 40 | 36/4 | median 65 | median 167 | median 203.3 | 12 | 4 | |
| covered | ePTFE/FEP | 40 | 17/23 | median 63.5 | median 235 | median 248 | 4 | 5 | |
| Lee,S.J, 2014 | uncovered | 20 | 9/11 | mean±sd 63.2±11.7 | mean±sd 413.3±63 | mean 359 | 4 | 0 | |
| covered | PTEF | 20 | 9/11 | mean±sd 62.1±8.6 | mean±sd 207.5±46 | mean 350 | 10 | 3 | |
| Ung, K.A, 2013 | uncovered | 34 | 9/25 | median 79 | median 127 | median 157 | NA | 0 | |
| covered | silicone | 34 | 18/16 | median 77 | median 153 | median 154 | NA | 2 | |
| Lee, S.H, 2004 | uncovered | 21 | NA | NA | median 216 | NA | 11 | NA | |
| covered | NA | 22 | NA | NA | median 127 | NA | 4 | NA | |
| Cho YD, 2009 | uncovered | 38 | NA | NA | median 195 | NA | NA | 4 | |
| covered | NA | 39 | NA | NA | median 227 | NA | NA | 10 | |
| Fukuda W, 2012 | uncovered | 71 | NA | NA | median 314 | NA | 23 | NA | |
| covered | NA | 72 | NA | NA | median552 | NA | 17 | NA | |
| Gonzalez-Huix F, 2008 | uncovered | 53 | NA | NA | NA | NA | 6 | 14 | |
| covered | NA | 61 | NA | NA | NA | NA | 15 | 23 | |
| Isayama H, 2000 | uncovered | 25 | NA | NA | NA | NA | 1 | 7 | |
| covered | Polyurethane | 25 | NA | NA | NA | NA | 4 | 1 | |
| Smits ME, 1995 | uncovered | 24 | NA | NA | NA | NA | NA | 3 | |
| covered | Polyurethane | 22 | NA | NA | NA | NA | NA | 3 | |
| Mangiavillano B, 2015 | uncovered | 21 | NA | NA | Median 194 | NA | NA | NA | |
| covered | NA | 23 | NA | NA | Median 89 | NA | NA | NA |
ePTFE/FEP: polytetrafluoroethylene and fluorinated ethylene propylene; PTEF: polytetrafluoroethylene