| Variables | N (%) | - | + | ++ | +++ | p-value | |
---|---|---|---|---|---|---|---|---|
Age at diagnosis | <=50 | 27 | 1(3.70%) | 6(22.22%) | 8(29.63%) | 12(44.44%) | 0.1597 | |
>50 | 39 | 9(23.08%) | 3(7.69%) | 16(41.03%) | 11(28.21%) | Â | ||
Gender | Male | 33 | 4(12.12%) | 5(15.15%) | 12(36.36%) | 12(36.36%) | 0.6956 | |
Female | 33 | 6(18.18%) | 4(12.12%) | 12(36.36%) | 11(33.33%) | 0.6956 | ||
Histologic subtypes | Tubular | 38 | 3(7.89%) | 1(2.63%) | 15(39.47%) | 19(50.00%) | 0.0005 | TvsS<.0001 |
solid | 21 | 5(23.81%) | 6(28.57%) | 9(42.86%) | 1(4.76%) | TvsC0.2075 | ||
cribriform | 7 | 2(28.57%) | 2(28.57%) | 0(0.00%) | 3(42.86%) | SvsC0.6393 | ||
Lung metastasis | + | 16 | 8(50.00%) | 5(31.25%) | 2(12.50%) | 1(6.25%) | <0.0001 | |
- | 50 | 3(6.00%) | 18(36.00%) | 12(24.00%) | 17(34.00%) | |||
Lymphatic metastasis | + | 14 | 8(57.14%) | 6(42.86%) | 0(0.00%) | 0(0.00%) | <0.0001 | |
- | 52 | 3(5.77%) | 17(32.69%) | 14(26.92%) | 18(34.62%) | |||
Perineural invasion | + | 23 | 9(39.13%) | 8(34.78%) | 4(17.39%) | 2(8.70%) | 0.002 | |
 | - | 43 | 2(4.65%) | 15(34.88%) | 10(23.26%) | 16(37.21%) |  |  |
TNMstaging | T1-2 | 42 | 3(7.14%) | 6(14.29%) | 15(35.71%) | 18(42.86%) | 0.0235 | |
 | T3-4 | 24 | 7(29.17%) | 3(12.50%) | 9(37.50%) | 5(20.83%) |  |  |