After excluding this patient, the mean number of CTCs/ml associated with stage IV cancer (8.2±5.8, n =6) tended to be higher than those with stages II and III cancer (3.3±2.3, n =6), with difference that is close to being statistically significant ( t =1.8806, P=0.0524, one-tailed Welch's t-test).
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Using the polymeric circulating tumor cell chip to capture circulating tumor cells in blood samples of patients with colorectal cancer.
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0.0524
0.0919
The sentences
near-marginal significanceP=0.0919
The mean number of CTCs/ml in patients with stages II and III cancers (3.3±2.3, n =6) tended to be lower than those with stage IV, with near-marginal significance (7.0±6.2, n =7; t =1.4563, P=0.0919, one-tailed Welch's t-test).