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. 2011 Aug 30;105(8):1197–1202. doi: 10.1038/bjc.2011.350

Table 3. Detection of non-sentinel lymph-node metastasis in the permanent histology and one-step nucleic acid amplification (OSNA) assay cohorts.

  Histology
OSNA
 
  No. % 95% CI   No. % 95% CI P-value
Positive 13 20.3 11.7–32.6% Positive 66 55.5 46.1–64.5% <0.001
 Macrometastasis 12 18.8 10.5–30.8%  (++) or (+I) 30 25.2 17.9–34.2% 0.42
 Micrometastasis 1 1.6 0.1–9.5%  (+) 36 30.3 22.3–39.5% <0.001
                 
Negative 51 79.7   Negative 53 44.5    

Abbreviations: CI=confidence interval; (+I)=positive with reaction inhibited.