Table 1. Clinical features of all 425 HNSCC patients included in the present study.
| Features | Training dataset (n=213) | Testing dataset (n=212) | Entire dataset (n=425) |
|---|---|---|---|
| Status | |||
| Alive | 82(38.5) | 101(47.6) | 183(43.1) |
| Dead | 131(61.5) | 111(52.4) | 242(56.9) |
| Age | |||
| Young (<60) | 137(64.3) | 142(67.0) | 279(65.6) |
| Old (≥60) | 76(35.7) | 70(33.0) | 146(34.4) |
| Gender | |||
| Female | 46(21.6) | 69(32.5) | 115(27.0) |
| Male | 167(78.4) | 143(67.5) | 310(73.0) |
| History of neoadjuvant treatment | |||
| Neoadjuvant treatment | 5(2.3) | 4(1.9) | 9(2.1) |
| Without neoadjuvant | 208(97.7) | 208(98.1) | 416(97.9) |
| Pathologic stage | |||
| I/II | 43(20.2) | 43(20.3) | 86(20.2) |
| III/IV | 142(66.7) | 131(61.8) | 273(64.2) |
| Unknown | 28(13.1) | 38(17.9) | 66(15.6) |
| Alcohol history documented | |||
| Alcohol | 148(69.5) | 141(66.5) | 289(68.0) |
| Without alcohol | 60(28.2) | 69(32.5) | 129(30.4) |
| Unknown | 5(2.3) | 2(1.0) | 7(1.6) |
| Margin status | |||
| Ms positive | 20(9.40) | 22(10.4) | 42(9.9) |
| Ms negative | 149(70.0) | 142(67.0) | 291(68.5) |
| Unknown | 44(20.6) | 48(22.6) | 92(21.6) |
| pN | |||
| pN positive | 178(83.6) | 161(76.0) | 339(79.8) |
| pN negative | 18(8.5) | 27(12.7) | 45(10.6) |
| Unknown | 17(7.9) | 24(11.3) | 41(9.6) |
| Lymphovascular invasion present | |||
| Lymphovascular_invasion | 47(22.1) | 43(20.3) | 90(21.2) |
| Without lymphovascular invasion | 98(46.0) | 87(41.0) | 185(43.5) |
| Unknown | 68(31.9) | 82(38.7) | 150(35.3) |
| Tumor grade | |||
| G1/G2 | 150(70.4) | 151(71.2) | 301(70.8) |
| G3/G4 | 57(26.8) | 54(25.5) | 111(26.1) |
| Unknown | 6(2.8) | 7(3.3) | 13(3.1) |