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["Table 1. Clinical characteristics associated with invasion and pathological grade of patients with urothelial carcinoma of the bladder."]
["Characteristic","Invasion",null,"χ2/t","P value",null,"Pathological grade",null,"χ2 /t","P value",null,null,"χ2"]
[null,"NIUCB","IUCB",{"$nulls":3},"Low","High"]
["Age ",null,null,0.429,0.301,{"$nulls":3},1.542,0.132]
["< 60 years","34 (29.3)","82 (70.7)",{"$nulls":3},"52 (44.8)","64 (55.2)"]
["≥ 60 years","42 (25.8)","121 (74.2)",{"$nulls":3},"61 (37.4)","102 (62.6)"]
["Body mass index","23 ± 3","22.3 ± 3.1",1.854,0.065,null,"22.8 ± 2.8","22.2 ± 3.2",1.634,0.103]
["Sex",null,null,7.365,0.009,{"$nulls":3},2.398,0.131]
["Male","57 (24.2)","179 (75.8)",{"$nulls":3},"91 (38.6)","145 (61.4)"]
["Female","19 (44.2)","24 (55.8)",{"$nulls":3},"22 (51.2)","21 (48.8)"]
["Ethnicity",null,null,0.852,0.667,{"$nulls":3},2.252,0.326]
["Han Chinese","53 (26.5)","147 (73.5)",{"$nulls":3},"76 (38)","124 (62)"]
["Zhuang Chinese","20 (27.8)","52 (72.2)",{"$nulls":3},"33 (45.8)","39 (54.2)"]
["Other","3 (42.9)","4 (57.1)",{"$nulls":3},"4 (57.1)","3 (42.9)"]
["Smoking history",null,null,4.871,0.035,{"$nulls":3},2.567,0.134]
["No","61 (31.1)","135 (68.9)",{"$nulls":3},"86 (43.3)","110 (56.7)"]
["Yes","14 (17.9)","64 (82.1)",{"$nulls":3},"26 (33.3)","52 (66.7)"]
["History of  bladder cancer surgery ",null,null,0.731,0.438,{"$nulls":3},0.034,0.888]
["No","52 (25.7)","150 (74.3)",{"$nulls":3},"80 (39.6)","122 (60.4)"]
["Yes","22 (31)","55 (69)",{"$nulls":3},"29 (40.8)","42 (59.2)"]
["Tumor size",null,null,48.889,"< 0.001",{"$nulls":3},37.086,"< 0.001"]
["< 3 cm","54 (51.4)","51(48.6)",{"$nulls":3},"67 (63.8)","38 (36.2)"]
["≥ 3 cm","22 (12.8)","150(87.2)",{"$nulls":3},"46 (26.7)","126 (73.3)"]
["Number of tumors ",null,null,0.691,0.739,{"$nulls":3},2.587,0.283]
[1,"52 (29.1)","127(70.9)",{"$nulls":3},"70 (39.1)","109 (60.9)"]
[2,"7 (23.3)","23 (76.7)",{"$nulls":3},"10 (33.3)","20 (66.7)"]
["≥ 3 ","17 (25)","51 (75)",{"$nulls":3},"33 (48.5)","35 (51.5)"]
["Tumor differentiation",null,null,16.471,"< 0.001",{"$nulls":3},12.695,0.001]
["None","75 (31.5)","163(68.5)",{"$nulls":3},"107 (45)","131 (55)"]
["Squamous ","1 (2.9)","34(97.1)",{"$nulls":3},"6 (17.1)","29 (82.9)"]
["Adenoid ",0,"4 (100)",{"$nulls":3},0,"4 (100)"]
["All values are n (%), or mean ± standard deviation."]

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["膀胱尿路上皮癌的基本临床特征。"]
["变量","浸润性(N(%))",null,"X2/t","P值",null,"病理级别(N(%))",null,"X2/t","P值"]
[null,"否","是",{"$nulls":3},"低级别","高级别"]
["年龄",null,null,0.429,0.301,{"$nulls":3},1.542,0.132]
["<60岁","34(29.3)","82(70.7)",{"$nulls":3},"52(44.8)","64(55.2)"]
["≥60岁","42(25.8)","121(74.2)",{"$nulls":3},"61(37.4)","102(62.6)"]
["BMI","23.0±3.0","22.3±3.1",1.854,0.065,null,"22.8±2.8","22.2±3.2",1.634,0.103]
["性别",null,null,7.365,0.009,{"$nulls":3},2.398,0.131]
["男","57(24.2)","179(75.8)",{"$nulls":3},"91(38.6)","145(61.4)"]
["女","19(44.2)","24(55.8)",{"$nulls":3},"22(51.2)","21(48.8)"]
["吸烟",null,null,4.871,0.035,{"$nulls":3},2.567,0.134]
["否","61(31.1)","135(68.9)",{"$nulls":3},"86(43.3)","110(56.7)"]
["是","14(17.9)","64(82.1)",{"$nulls":3},"26(33.3)","52(66.7)"]
["尿路上皮癌史",null,null,0.731,0.438,{"$nulls":3},0.034,0.888]
["No","52(25.7)","150(74.3)",{"$nulls":3},"80(39.6)","122(60.4)"]
["Yes","22(31.0)","55(69.0)",{"$nulls":3},"32(41.5)","45(58.4"]
["肿瘤大小",null,null,48.889,"0.000*",{"$nulls":3},37.086,"0.000*"]
["<3cm","54(51.4)","51(48.6)",{"$nulls":3},"67(63.8)","38(36.2)"]
["≥3cm","22(12.8)","150(87.2)",{"$nulls":3},"46(26.7)","126(73.3)"]
["肿瘤数目",null,null,0.691,0.739,{"$nulls":3},2.587,0.283]
["1 tumor","52(29.1)","127(70.9)",{"$nulls":3},"70(39.1)","109(60.9)"]
["2 tumors","7(23.3）","23（76.7）",{"$nulls":3},"10(33.3)","20(66.7)"]
["≥3 tumors","17(25.0)","51(75.0)",{"$nulls":3},"33(48.5)","35(51.5)"]
["伴其他分化",null,null,16.471,"0.000*",{"$nulls":3},12.695,0.001]
["无其他分化","75(31.5)","163(68.5)",{"$nulls":3},"107(45.0)","131(55.0)"]
["鳞状分化","1(2.9)","34(97.1)",{"$nulls":3},"6(17.1)","29(82.9)"]
["腺样分化","0(0.0)","4(100.0)",{"$nulls":3},"0(0.0)","4(100.0)"]
["注释：BMI为平均数±均差"]

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