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["Table 4. COX regression analysis to identify factors associated with PFS after radical cystectomy in patients with MIUCB without distant metastasis."]
["Variable"," P value","HR","Univariate regression",null,null," P value","HR","Multivariate regression"]
[{"$nulls":3},"95%CI(low)","95%CI(hige)",{"$nulls":3},"95%CI(low)","95%CI(hige)"]
["Sex"]
["Male","Reference",{"$nulls":4},"Reference"]
["Female",0.986,1.007,0.482,2.101,null,"-","-","-","-"]
["Age",0.165,1.014,0.994,1.034]
["<60 years","Reference",{"$nulls":4},"Reference"]
["≥60 years",0.148,1.423,0.883,2.294,null,"-","-","-","-"]
["Ethnicity"]
["Han Chinese","Reference",{"$nulls":4},"Reference"]
["Zhuang Chinese",0.411,1.224,0.756,1.982,null,"-","-","-","-"]
["Other",0.239,2.018,0.672,6.492,null,"-","-","-","-"]
["Body mass index",0.062,0.928,0.858,1.004,null,"-","-","-","-"]
["Smoking history"]
["No","Reference",{"$nulls":4},"Reference"]
["Yes",0.645,1.117,0.696,1.793,null,"-","-","-","-"]
["Cleveland complication grade",0.469,0.993,0.973,1.013,null,"-","-","-","-"]
["Nnumber of tumors"]
[1,"Reference",{"$nulls":4},"Reference"]
[2,0.671,1.159,0.588,2.284,null,"-","-","-","-"]
["≥3",0.224,0.705,0.401,1.239,null,"-","-","-","-"]
["Tumor size"]
["≥3cm","Reference",{"$nulls":4},"Reference"]
["<3cm",0.445,1.296,0.666,2.519]
["Pathological grade"]
["Low-grade","Reference",{"$nulls":4},"Reference"]
["Hige-grade",0.483,1.241,0.679,2.268,null,"-","-","-","-"]
["Tumor differentiation"]
["No","Reference",{"$nulls":4},"Reference"]
["Squamous differentiation",0.006,2.035,1.232,{"v":3.36,"d":"3.360"},null,0.068,1.656,0.962,2.849]
["Adenoid differentiation",{"v":0.81,"d":"0.810"},1.275,0.176,9.238,null,"-","-","-","-"]
["History of  bladder cancer surgery "]
["No","Reference",{"$nulls":4},"Reference"]
["Yes",0.028,1.746,1.064,2.867,null,0.682,1.121,0.651,{"v":1.93,"d":"1.930"}]
["Systemic chemotherapy"]
["No","Reference",{"$nulls":4},"Reference"]
["Yes",0.337,1.307,0.757,2.225,null,"-","-","-","-"]
["Stage T"]
["T2","Reference",{"$nulls":4},"Reference"]
["T3",0.002,2.488,1.415,4.375,null,0.037,1.923,1.042,3.549]
["T4","< 0.001",5.385,3.388,{"v":10.05,"d":"10.050"},null,"< 0.001",3.637,{"v":1.89,"d":"1.890"},6.998]
["Stage N"]
["N0","Reference",{"$nulls":4},"Reference"]
["N1","< 0.001",2.966,1.614,{"v":5.45,"d":"5.450"},null,0.025,2.115,1.097,4.078]
["N2","< 0.001",{"v":3.8,"d":"3.800"},1.824,7.915,null,0.025,2.427,1.118,5.226]
["N3","< 0.001",5.604,2.249,11.403,null,0.003,3.663,1.542,8.704]
["Cholinesterase"]
["Low level","Reference",{"$nulls":4},"Reference"]
["High level","< 0.001",0.344,0.216,0.548,null,0.025,0.541,0.316,0.925]

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