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Table 2 Subgroup analysis of STAT3/p-STAT3 expression and FIGO stage of ovarian cancer

From: The impact of STAT3 and phospho-STAT3 expression on the prognosis and clinicopathology of ovarian cancer: a systematic review and meta-analysis

Stratification Pooled OR (95% CI) random effects I2 (%) p value of Q test
Year
  ≤ 2010 0.487 (0.309–0.768) 60.2% 0.039
  > 2010 0.408 (0.291–0.572) 63.6% 0.011
N pts
  < 100 0.147 (0.072–0.299) 0.0% 0.907
  ≥ 100 0.536 (0.397–0.722) 67.9% 0.008
Scoring method
 EI 0.417 (0.306–0.569) 58.4% 0.014
 Non-EI 0.492 (0.282–0.859) 72.5% 0.026
Primary antibody
 Rabbit antibody 0.172 (0.032–0.925) 30.3% 0.208
 Others 0.457 (0.323–0.645) 74.2% 0.002