Heterogeneous Periostin Expression in Different Histological Variants of Papillary Thyroid Carcinoma

Table 2

PN expression in intratumor stroma and clinicopathological characteristics of PTC.

Clinicopathologic features	Case number		PN					OR; (95% CI)
			Low score		High score
	#	%	#	%	#	%	value
Sex
Female								1.07; (0.23–4.99)
Male
Age
<45								1.05; (0.55–6.84)
>45
Tumor stage
Stages I, II								0.28; (0.07–0.99)
Stages III, IV
Histologic subtype
Conventional								0.40; (0.08–1.90)
Follicular
Macrofollicular								1.00; (0.15–6.64)
Tall cells								3.00; (0.22–39.60)
Oncocytic								1.20; (0.12–11.86)
Multifocality
No								0.37; (0.08–1.56)
Yes
Tumor size
<2.18 cm								2.52; (0.71–8.96)
>2.18 cm
Lymphovascular invasion
Absent								0.48; (0.11–2.04)
Present
Lymph node metastasis
Absent								0.11; (0.006–2.07)
Present
Extrathyroidal invasion
Absent								0.16; (0.03–0.67)
Present

: chi-square test; OR: odd ratio; CI: confidence interval.