Table 1 Characteristics and preoperative results of the studies
ID | Study | Time period | Treatment type | N | Age (years) | Preoperative treatment | PSA(ng/ml) | Clinical stage |
|---|---|---|---|---|---|---|---|---|
1 | Judd et al. 1991 | 1975–1988 | Salvage | 4 | Nx | RT: 4 | Nx | T3N0M0: 3; T4N0M0: 1 |
Primary | 9 | Nx | RT: 1, ADT: 1, ADT: 2 | Nx | T3bNXM0: 7; T4NXM0: 2 | |||
2 | Edward et al. 1997 | 1990–1996 | Salvage | 5 | 64.2 | Nx | 12.9 | T3aNXM0: 2; T3bNXM0: 1; T4NXM0: 2 |
3 | Sato et al. 2003 | 1989–2001 | Primary | 15 | 64.5 | Nx | 38.5 | T4NXM0 |
4 | Leibovici et al. 2005 | 1995–2003 | Salvage | 21 | 68 | Chemotherapy: 14 | Nx | T4NXM0 |
Primary | 17 | 60 | Chemotherapy: 17 | Nx | ||||
5 | Ward et al. 2005 | 1967–2000 | Salvage | 61 | 65.3 | ADT:43 | 3.6 | T4NXM0 |
6 | Kumazawa et al. 2009 | 1989–2005 | Primary | 17 | 64.7 | ADT:11 | 35.3 | T4N0M0: 10 T4N1M0: 7 |
7 | Spahn et al. 2017 | 1972–2011 | Primary | 62 | 64.1 | ADT:21 | 35.3 | T4NXM0 |