Table 1.
Basic characteristics and data of included articles.
| Author and year | Region | Period | Sample size | Median age, years | Female n (%) | Tumor location | Follow-up (median month) | Recurrence | Mortality | CSM | AC | Study type | NOS score | Diabetes | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Renal pelvic | Ureter | Multifocal | ||||||||||||||
| Jeon and Tae (18) | Korea | 2003-2016 | 176 | Mean=66.1 | 53 (30.1%) | 66 | 82 | 26 | Mean=36.9 | N | N | N | 42 | CCT | 7 | 42 |
| Bao et al. (14) | China | 1999-2015 | 754 | 69.0 | 412 (54.6%) | N | N | N | 61 | N | 234 | 165 | N | CCT | 7 | 146 |
| Xu et al. (23) | China | 2003-2016 | 644 | 67.5 | 277 (43.0%) | 338 | 191 | 115 | 39 | 269 | 233 | 185 | 270 | CCT | 8 | 223 |
| Fang et al. (16) | China | 1999-2011 | 612 | 68.0 | 272 (44.4%) | 341 | 271 | N | 64 | 206 | 210 | 187 | N | CCT | 8 | 101 |
| Lin et al. (20) | Taiwan | 2002-2007 | 5141 | Mean=67.3 | 2779 (54.1%) | N | N | N | 22.4 | 1837 | 1796 | N | N | CCT | 7 | 863 |
| Huang et al. (17) | China | 2003-2013 | 425 | 67.0 | 146 (34.4%) | 208 | 137 | 80 | 38.5 | 166 | 147 | 106 | 84 | CCT | 7 | 53 |
| Qin et al. (21) | China | 2012-2016 | 346 | Mean=66.6 | 140 (40.4%) | 175 | 171 | N | 21 | 52 | 40 | N | 169 | CCT | 7 | 68 |
| Kang et al. (19) | Korea | 2004-2014 | 566 | 70.0 | 165 (29.2%) | 258 | 308 | N | 33.8 | 53 | 44 | N | 205 | CCT | 8 | 135 |
| Rieken et al. (22) | multination | 1987-2007 | 2492 | 69.2 | 811 (32.5%) | 1613 | 879 | 590 | 36 | 663 | 884 | 545 | 247 | CCT | 7 | 365 |
| Cho et al. (15) | Korea | 2004-2012 | 147 | 70.0 | 106 (72.1%) | 74 | 73 | N | 33 | N | N | N | 95 | CCT | 7 | 49 |
NOS, Newcastle-Ottawa Scale; CCT, retrospective case control study; CSM, Cancer-specific mortality; AC, Adjuvant chemotherapy; N, not available.