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Table 4 Disease characteristics

From: A different entity: a population based study of characteristics and recurrence patterns in oropharyngeal squamous cell carcinomas

Pathological factors Oropharygneal Non-oropharyngeal p-value*
Tumour size (n = 253) ≤2 31(25 %) 72(37 %) 0.0061
>2 72(59 %) 78(40 %)
Unknown 19(16 %) 46(23 %)
Node Status (n = 315) Negative 19(16 %) 138(70 %) <0.0001
Positive 103(84 %) 55(28 %)
Unknown 0(0 %) 3(2 %)
Metastasis (n = 313) No 121(99 %) 190(97 %) 0.5242
Yes 0(0 %) 2(1 %)
Unknown 1(1 %) 4(2 %)
Overall TMN Stage (n = 313) <4 66(54 %) 128(65 %) 0.0315
4 55(45 %) 64(33 %)
Unknown 1(1 %) 4(2 %)
Keratinization (n = 169) Non-Keratinizing 25(20 %) 17(9 %) <0.0001
Keratinizing 33(27 %) 94(48 %)
Unknown 64(52 %) 85(43 %)
Grade (n = 267) ≥3 49(40 %) 42(21 %) <0.0001 a
2 41(34 %) 108(55 %)
1 1(1 %) 26(13 %)
Unknown 31(25 %) 20(10 %)
p16 Status (n = 57) Negative 8(7 %) 11(6 %) <0.0001
Positive 37(30 %) 1(1 %)
Unknown 77(63 %) 184(94 %)
  1. * α = 0.05, significant results in bold using chi-square test; aWald test applied