Table 2. The clinicopathological characteristics of the cases with positive/high 5-hmC and cases with the negative/low 5-hmC in tumor tissues.
| Study | Year | Cases (positive/high 5-hmC) | Cases (negative/low 5-hmC) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | N0 | N1 | I/II | III/IV | G1/2 | G3/4 | Total | N0 | N1 | I/II | III/IV | G1/2 | G3/4 | ||
| Yang | 2013 | 50 | 27 | 23 | 30 | 20 | 25 | 25 | 58 | 15 | 43 | 13 | 45 | 27 | 31 |
| Liu | 2014 | 159 | NR | NR | NR | NR | 115 | 44 | 159 | NR | NR | NR | NR | 129 | 30 |
| Murata | 2015 | 48/46 | 14 | 34 | 19 | 27 | 43 | 5 | 47/46 | 16 | 31 | 20 | 26 | 32 | 15 |
| Zhang | 2015 | 34 | 18 | 16 | 23 | 11 | 30 | 4 | 96 | 29 | 67 | 34 | 62 | 67 | 29 |
| Dong | 2015 | 20 | 19 | 1 | 18 | 2 | 9 | 11 | 103 | 74 | 29 | 68 | 35 | 52 | 51 |
| Zhang | 2016 | 43 | 32 | 11 | NR | NR | 35 | 8 | 97 | 55 | 42 | NR | NR | 56 | 41 |