Clinical features | PTC | PTL | Statistics | P value |
---|---|---|---|---|
 | (n = 100) | (n = 50) |  |  |
Sex |  |  | χ2 = 3.195 | 0.074 |
 Male | 24 (24.0%) | 19 (38%) |  |  |
 Female | 76 (76.0%) | 31 (62%) |  |  |
Age (years) mean ± SD | 41.63 ± 15.06 | 63.06 ± 10.14 | t' = -10.307 |  < 0.001 |
asymmetric enlargement |  | χ2 = 4.118 | 0.042 | |
 Yes | 57(57.0%) | 37(74.0%) |  |  |
 No | 43(43.0%) | 13(26.0%) |  |  |
Hashimoto’s thyroiditis |  |  | χ2 = 41.583 |  < 0.001 |
 Yes | 23(23.0%) | 39(78.0%) |  |  |
 No | 77(77.0%) | 11(22.0%) |  |  |
’is the adjusted t-test value |