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. 2017 Dec 11;12(12):e0186165. doi: 10.1371/journal.pone.0186165

Fig 2. The forest plot about the pooled sensitivity and specificity for the diagnostic value of SCCa on the lymph node metastasis was drawn.

Fig 2

And the heterogeneity could be determined on the figure. The Irawn. And the heterogeneity could be determined on the figure. SCindicating there were heterogeneity between studies.(I2>50 suggested heterogeneity existed). The pooled sensitivity was 0.7 and specificity was 0.63, indicating a medium diagnostic power.