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. 2016 Sep 6;22:3154–3162. doi: 10.12659/MSM.896563

Table 4.

Results of subgroup meta-analysis for CA15-3 using stage I, II, and III database.

Tumor stage Analysis method Heterogeneity OR Publication bias
I2 (%) p-value Overall Lower Upper p-value Begg Egger
Stage I Random 98.4 2.7×10−23 2.03 1.66 2.40 9.8×10−27 0.806 0.029
Stage II Random 97.7 2.7×10−19 3.88 3.40 4.35 5.1×10−41 1.000 0.010
Stage III Random 98.2 1.0×10−26 5.12 4.63 5.61 6.7×10−48 0.734 0.308