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["Table 1 Coincidence rate of the two protein chips"]
[null,"Visible protein chip  ELISA","Cy3-labeled protein chip    ELISA"]
["Sample number","    51                           51","      34                                 34"]
["Positive","    44                           42","      22                                 19"]
["Negative","    7                             9","      12                                 15"]
["Positive rate","  86.3%                      82.4%","     64.7%                           55.9%"]
["Negative rate","  13.7%                     17.6%","    35.3%                            44.1%"]