Research Article

Role of STAT3 Expression in Thyroid Cancer: A Meta-Analysis and Systematic Review Based on the Chinese Population

Table 2

Association between STAT3 expression and clinical features of thyroid cancer patients in meta-analysis.

FactorsStudies (n)Analytical modelOR (95%CI)P valueHeterogeneity
I2Ph

Age (<45 vs ≥ 45)4REM0.54 (0.21, 1.36)0.19164.000.039
Sex (male vs female)4FEM0.88 (0.54, 1.44)0.60900.898
Tumor size (≤1 cm vs. > 1 cm)2FEM0.13 (0.05, 0.33)<0.00100.743
Tumor metastasis (yes vs. no)6REM2.83 (1.08, 7.46)0.03580.70<0.001
Capsular invasion (yes vs. no)2REM2.98 (0.23, 38.29)0.40389.600.002
TNM stage (I-II vs. III-IV)3REM0.40 (0.24, 0.67)<0.00182.100.004
Tumor multiplicity (single vs. multiplicity)2REM0.25 (0.003, 19.28)0.53386.000.008

P values were obtained by using the “METAN” program in Stata 14.0; P value 0.05 was considered as statistically significant. FEM, fixed-effects model; REM, random-effects model; TNM, tumor node metastasis; OR, odds ratio; CI, confidence interval. Bold fonts indicate statistical differences.