Table 2.
Demographics and risk factors
| Demographics/risk factors | Oropharygneal | Non-oropharyngeal | p-value* | |
|---|---|---|---|---|
| Age at Diagnosis (n = 316) | <55 | 31(25 %) | 47(24 %) | 0.8123 |
| ≥55 | 91(75 %) | 147(75 %) | ||
| Unknown | 0(0 %) | 2(1 %) | ||
| Sex (n = 318) | Female | 25(20 %) | 56(29 %) | 0.1078 |
| Male | 97(80 %) | 140(71 %) | ||
| Unknown | 0(0 %) | 0(0 %) | ||
| Family Hx of Cancer (n = 245) | No | 27(22 %) | 41(21 %) | 0.4858 |
| Yes | 79(65 %) | 98(50 %) | ||
| Unknown | 16(13 %) | 57(29 %) | ||
| Cancer History (n = 318) | None | 93(76 %) | 143(73 %) | 0.5262a |
| HNC | 4(3 %) | 12(6 %) | ||
| Other | 25(20 %) | 41(21 %) | ||
| Unknown | 0(0 %) | 0(0 %) | ||
| Smoking History (n = 312) | Never | 21(17 %) | 25(13 %) | 0.3002a |
| Quit | 53(43 %) | 74(38 %) | ||
| Current | 48(39 %) | 91(46 %) | ||
| Unknown | 0(0 %) | 6(3 %) | ||
| Alcohol History (n = 267) | Never | 4(3 %) | 8(4 %) | 0.7538a |
| Quit | 20(16 %) | 25(13 %) | ||
| Current | 84(69 %) | 126(64 %) | ||
| Unknown | 14(11 %) | 37(19 %) | ||
| Marijuana Use (n = 128) | No | 41(34 %) | 60(31 %) | 0.8267 |
| Yes | 10(8 %) | 17(9 %) | ||
| Unknown | 71(58 %) | 119(61 %) | ||
| COPD (n = 318) | No | 103(84 %) | 143(73 %) | 0.0175 |
| Yes | 19(16 %) | 53(27 %) | ||
| Unknown | 0(0 %) | 0(0 %) | ||
| Pack-Year History (n = 312) | Never | 0 | 0 | n/a |
| Current | 41.512 yrs. | 44.089 yrs. | 0.9891b | |
| Quit | 27.791 yrs. | 32.175 yrs. | 0.2969b | |
| Charlson Prob. 10-Yr. Survival (n = 318) | <50 % | 33(10 %) | 56(18 %) | 0.7984 |
| >50 % | 89(28 %) | 140(44 %) | ||
| Unknown | 0(0 %) | 0(0 %) | ||
*α = 0.05, significant results in bold using chi-square test; aWald test applied. bnon-parametric Wilcoxon test applied