Table 5 Previous studies reporting the age on the outcomes of CRC patients
Author | Year | Country | Sample size | Cut-off age (years) | Younger group | Older group | Patients | Outcomes |
|---|---|---|---|---|---|---|---|---|
Nakayama Y [8] | 2020 | Japan | 5602 | 40 | 359 | 5243 | Stage II-III CRC | OS, DFS |
Zhao L [9] | 2017 | China | 995 | 35 | 68 | 927 | Stage I-III CRC | OS, DFS, CSS |
Fu JF [10] | 2013 | China | 1335 | 30 | 42 | 1239 | Stage I-IV CRC | OS |
Shida D[11] | 2018 | Canada | 861 | 40 | 66 | 795 | Stage IV CRC | OS |
Wang L [12] | 2020 | Japan | 3095 | 45 | 139 | 2956 | Stage I-III CRC | DFS, CSS, Short-term outcomes (Using PSM) |
Yang Z [15] | 2012 | Japan | 3156 | 45 | 530 | 2626 | Stage I-IV CRC | OS, DFS, CSS |
Quah HM [16] | 2007 | USA | 1327 | 40 | 68 | 1259 | Stage I-III CC | OS, CSS |
Schellerer VS [17] | 2012 | Germany | 1962 | 50 | 244 | 1718 | Stage I-IV CRC | OS, CSS, Short-term outcomes |
Wong SW [18] | 2021 | Malaysia | 2127 | 50 | 206 | 1921 | Stage I-IV CRC | OS, CSS |