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["Clinical Epidemiology and Clinicopathologic Feature",null,"miR-489-3p",null,"p value"]
[null,null,"low expression","high expression"]
["all cases",null,41,49]
["age"]
[null,"≤50",11,6,0.0783]
[null,"＞50",30,43]
["gender"]
[null,"male",21,29,0.4489]
[null,"female",20,20]
["diameter of tumor"]
[null,"≤3",7,18,0.0381]
[null,"＞3",34,31]
["pathological grading"]
[null,"Ⅰ",2,4,0.1366]
[null,"Ⅱ",32,30]
[null,"Ⅲ",7,15]
[null,"Ⅳ",0,0]
["lymphatic metastasis"]
[null,"N0",30,41,{"v":0.224,"d":"0.2240"}]
[null,"NI",11,8]
["distant metastasis"]
[null,"M0",34,48,0.0126]
[null,"M1",7,1]
["AJCC clinical staging"]
[null,"Ⅰ",6,16,0.0072]
[null,"Ⅱ",10,17]
[null,"Ⅲ",24,15]
[null,"Ⅳ",1,1]

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