Table 2.

SII level according to clinicopathological characteristics of PTC.

Variables	SII level, mean ± SD	P value
Subtype
Thyroiditis (n = 14)	875.02 ± 494.11	.311*
Follicular variant(n = 5)	1221.75 ± 504.16
Normal (n = 54)	900.73 ± 496.10
Tumor size
Micropapiller type (n = 46)	947.95 ± 512.67	.593†
Macropapiller type (27)	869.75 ± 471.94
Bilaterality
Yes (n = 37)	924.69 ± 521.08	.823†
No (36)	915.45 ± 476.28

PTC = papillary thyroid carcinoma, SII = systemic inflammation index.

^*Kruskal–Wallis H test.

^†Mann–Whitney U test.