Table 1 Clinicopathologic characteristics of patients
LLNM | ||||
|---|---|---|---|---|
Characteristic | Overall(n = 499) | Present(n = 396) | Absent(n = 103) | p value |
Age(years) | 0.003 | |||
Mean (SD) | 39.0(11.7) | 38.2(11.4) | 42.1(12.4) | |
Gender,n(%) | 0.005 | |||
Male | 159(31.9) | 138(34.8) | 21(20.4) | |
Female | 340(68.1) | 258(65.2) | 82(79.6) | |
Tumor size,n(%) | 0.009 | |||
≥ 20 mm | 105(21.0) | 93(23.5) | 12(11.7) | |
< 20 mm | 394(79.0) | 303(76.5) | 91(88.3) | |
Location,n(%) | 0.011 | |||
Upper lobe | 142(28.5) | 123(31.1) | 19(18.4) | |
Others | 357(71.5) | 273(68.9) | 84(81.6) | |
Thyroiditis,n(%) | 0.521 | |||
Present | 209(41.9) | 163(41.2) | 46(44.7) | |
Absent | 290(58.1) | 233(58.8) | 57(55.3) | |
Multifocality,n(%) | < 0.001 | |||
Present | 305(61.1) | 262(66.2) | 43(41.7) | |
Absent | 194(38.9) | 134(33.8) | 60(58.3) | |
Bilaterality,n(%) | 0.002 | |||
Present | 232(46.5) | 198(50.0) | 34(33.0) | |
Absent | 267(53.5) | 198(50.0) | 69(67.0) | |
Extra-thyroidal extension,n(%) | < 0.001 | |||
Present | 391(78.4) | 325(82.1) | 66(64.1) | |
Absent | 108(21.6) | 71(17.9) | 37(35.9) | |
Extra-nodal extension,n(%) | < 0.001 | |||
Present | 156(31.3) | 144(36.4) | 12(11.7) | |
Absent | 343(68.7) | 252(63.6) | 91(88.3) | |
CLNM,n(%) | < 0.001 | |||
Present | 392(78.6) | 339(85.6) | 53(51.5) | |
Absent | 107(21.4) | 57(14.4) | 50(48.5) | |