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. 2019 Dec 31;8:1849454419899214. doi: 10.1177/1849454419899214

Table 6.

CTC counts in healthy and diseased subpopulations.

Subject category (total = 47 patients) Mean CTC counts
Type Number of subjects Mean age Processed in the United States Processed in Taiwan Average
Cancer 9 51 6.6 15.7 11.1
Adenoma 1 66 3.0 9.0 6.0
Colonoscopy negative 5 59 1.2 3.0 2.1
Young healthy 32 26 0.5 N/A N/A

CTC: circulating tumor cell.