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Table 5 Summary underestimation rate of unsatisfactory samples using meta-analysis

From: Diagnostic value of fine-needle aspiration biopsy for breast mass: a systematic review and meta-analysis

  n a b pooled under-estimation rate 95%CI X2 P-value
unsatisfactory Samples 11 140 545 25.7% 0.221-0.296 159.85 p < 0.001
  1. n = number of studies; a = number of breast cancer or Low grade cancers; b = total number of unsatisfactory Samples;