Table 3.
Similar studies that used a cutoff age of 40
| Author | Year | Patients | Young group | Male:Female in young | Survival | Prognosis for young group | |
|---|---|---|---|---|---|---|---|
| Young | Old | ||||||
| Udeabor et al. [26] | 2012 | 977 | 3.9% | 3.8:1 | 66.2%/5-y OS | 57.6%/5-y OS | Better |
| Van Monsjou et al. [25] | 2013 | 1762 | 3.1% | 1.8:1 |
58%/5-y OS 69%/5-y DSS |
42%/5-y OS 74%/5-y DSS |
No significant difference in DSS; better for OS |
| Fang et al. [43] | 2014 | 176 | 8.5% | 0.7:1 | 63%5-y DSS | 625-y DSS | No significant difference |
| Sun Q [15] | 2015 | 486 | 7.2% | 1.6:1 | 65%5-y DSS | 66.75-y DSS | No significant difference |
| Jae-Ho Jeon et al. [37] | 2016 | 117 | 20% | 1.9:1 |
40%/5-y OS 42%/5-y DSS |
70%/5-y OS 73%/5-y DSS |
Worse |
| Mahmood et al. [11] | 2018 | 115 | 34.8% | 4.7:1 | 62.5%/5-y OS | 37.3%/5-y OS | Better |
| Oliver et al. [20] | 2019 | 22 930 | 9.9% | 1.15:1 | 79.6%/5-y OS | 69.5%/5-y OS | Better |