Table 1 Previous RCC studies and cancer specific survival rates of young and old RCC patients.
Study | Study period | Young group | Older group | 5-year cancer specific survival rate | p Value | |||
|---|---|---|---|---|---|---|---|---|
No. patients | Mean age | No. patients | Mean age | Young | Old | |||
Boykin et al. [3] | 1947–1989 | 14 | *** | *** | 70% | *** | ||
Abou El Fettouh et al. [12] | 1981–2001 | 101 | 33.7 y | *** | *** | 67% | *** | |
Eggener et al. [13] | 1988–2002 | 91 | 37.1 y | *** | *** | 88% | *** | |
Schiff et al. [5] | 1948–1980 | 37 | 31.0 y | 486 (≥41 y) | *** | 92%* | 45%* | p < 0.01 |
Rainwater et al. [14] | 1970–1986 | 41 | 35.7 y | 34 (≥80 y) | 82.4 y | 74% | 70% | n.s. |
Yusim et al. [14] | 1985–1997 | 15 | 37.0 y | 107 (≥50 y) | 63.0 y | 93% | 77% | p < 0.05 |
Gillett et al. [16] | 1970–2000 | 107 | *** | 958 (60–70 y) | *** | 75%** | 72%** | n.s. |
Goetzl et al. [17] | 1989–2002 | 34 | 35.0 y | 99 (≥41 y) | 65.0 y | 85% | 84% | n.s. |
Sanchez-Ortiz et al. [18] | 1992–2002 | 106 | 34.7 y | 145 (58–61 y) | 59.4 y | 66% | 52% | p < 0.01 |
Siemer et al. [19] | 1975–2004 | 87 | 34.1 y | 2164 (≥41 y) | *** | 78% | 72% | n.s. |