TABLE 1.
Characteristics of included studies.
| Study | Author | Last update | Platform | Non-HCC tissues | HCC tissues | ||||
|---|---|---|---|---|---|---|---|---|---|
| N0 | Mean0 | SD0 | N1 | Mean1 | SD1 | ||||
| TCGA | NR | NR | NR | 50 | 4.771 | 0.374 | 374 | 6.313 | 0.728 |
| GSE101685 | Sen-Yung H | 2021 | GPL570 | 8 | 7.212 | 0.196 | 24 | 8.426 | 0.817 |
| GSE115018 | Zhao G | 2018 | GPL20115 | 12 | 1.139 | 0.193 | 12 | 1.620 | 0.339 |
| GSE121248 | Hui KM | 2019 | GPL570 | 37 | 9.009 | 0.307 | 70 | 9.515 | 0.465 |
| GSE19665 | Nagae G | 2019 | GPL570 | 10 | 7.831 | 0.311 | 10 | 8.748 | 0.349 |
| GSE29721 | Bhattacharyya B | 2019 | GPL570 | 10 | 7.500 | 0.200 | 10 | 8.103 | 0.367 |
| GSE33006 | Huang Y | 2019 | GPL570 | 3 | 11.606 | 0.515 | 3 | 10.147 | 0.180 |
| GSE39791 | Kim J | 2018 | GPL10558 | 72 | 8.577 | 0.453 | 72 | 9.324 | 0.645 |
| GSE41804 | Hodo Y | 2019 | GPL570 | 20 | 10.107 | 0.428 | 20 | 10.881 | 0.830 |
| GSE45436 | Wang HW | 2019 | GPL570 | 39 | 7.435 | 0.371 | 95 | 8.638 | 0.604 |
| GSE46408 | Jeng Y | 2019 | GPL4133 | 6 | 11.407 | 0.396 | 6 | 12.652 | 0.568 |
| GSE55092 | Melis M | 2019 | GPL570 | 91 | 8.360 | 0.573 | 49 | 9.211 | 1.006 |
| GSE57957 | Mah W | 2018 | GPL10558 | 39 | 10.173 | 0.544 | 39 | 11.035 | 0.809 |
| GSE60502 | Kao KJ | 2018 | GPL96 | 18 | 9.148 | 0.379 | 18 | 10.028 | 0.447 |
| GSE76427 | Grinchuk OV | 2018 | GPL10558 | 52 | 10.131 | 0.332 | 115 | 10.712 | 0.590 |
| GSE84402 | Qin W | 2019 | GPL570 | 14 | 7.070 | 0.656 | 14 | 8.362 | 1.048 |
| GSE87630 | Woo HG | 2018 | GPL6947 | 30 | 9.959 | 0.434 | 64 | 11.291 | 0.625 |
| GSE89377 | Eun J | 2021 | GPL6947 | 13 | 9.518 | 0.365 | 40 | 10.272 | 0.593 |