Table 1.

Clinicopathological characteristics of 496 papillary thyroid cancer patients

Variables	Number (%)
Male gender	160 (32.3)
Age	43.8 ± 17.3 yr
Maximum size of tumor (cm)	2.31 ± 1.59
Multifocality	209 (42.1)
Number of tumor foci	1.2 ± 1.3
Extrathyroidal extension	207 (41.7)
Central lymph node metastasis	381 (76.8)
Lateral lymph node metastasis	306 (61.7)

Data are presented as n (%) or mean ± standard deviation.