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[null,"Number of Roots",null,null,null,"Chisquare with Yates Corection","P Value"]
["Ethnic Group","Single rooted",">=2 rooted",null,null,312.43900000000002,0]
["Caucasian",3471,71,{"$f":"SUM(B3:C3)","v":3542}]
["African",335,65,400]
["Indian",1201,49,1250]
["Mongolia",1409,6,1415]
["Middle East",979,21,1000]
["Total",{"$f":"SUM(B3:B7)","v":7395},{"$f":"SUM(C3:C7)","v":212},7607]
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[]
[]
[null,"Apical Foramina",null,null,null,"Chisquare ","P Value"]
["Ethnic Group",1,">1",3,"Total"]
["Caucasian",1490,383,{"$f":"SUM(B14:C14)","v":1873},1873]
["Indian",1239,311,{"$f":"SUM(B15:C15)","v":1550},1550,19.946000000000002,1.7469999999999999E-4]
["Mongolia",905,164,{"$f":"SUM(B16:C16)","v":1069},1069]
["Middle East",595,105,{"$f":"SUM(B17:C17)","v":700},700]
["Total",{"$f":"SUM(B14:B17)","v":4229},{"$f":"SUM(C14:C17)","v":963},{"$f":"SUM(B18:C18)","v":5192},5192]
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[]
[null,"Root Canal Anatomy",{"$nulls":4},"Chisquare with Yates Corection","P Value"]
["Ethnic Group",1,2,">2","C",null,196.655,0]
["Caucasian",2586,935,25,15,3561]
["African",604,193,15,0,812]
["Indian",343,137,0,15,495]
["Mongolia",1311,251,14,42,1618]
["Middle East",795,372,21,7,1195]
["Total",5639,1888,75,79,7681]

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[null,"Number of Roots",null,null,null,"Chisquare with Yates Corection","P Value"]
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["African",94,2,{"$f":"SUM(B4:C4)","v":96}]
["Indian",962,5,967]
["Mongolia",853,14,867]
["Middle East",5649,36,5685]
["Total",{"$f":"SUM(B3:B7)","v":11298},{"$f":"SUM(C3:C7)","v":72},{"$f":"SUM(B8:C8)","v":11370}]
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[]
[]
[null,"Apical Foramina",null,null,"Chisquare","P Value"]
["Ethnic Group",1,">1"]
["Caucasian",438,12,{"$f":"SUM(B14:C14)","v":450}]
["Indian",122,14,{"$f":"SUM(B15:C15)","v":136},42.097999999999999,0]
["Mongolia",934,150,{"$f":"SUM(B16:C16)","v":1084}]
["Middle East",1494,176,{"$f":"SUM(B17:C17)","v":1670}]
["Total",{"$f":"SUM(B14:B17)","v":2988},{"$f":"SUM(C14:C17)","v":352},{"$f":"SUM(B18:C18)","v":3340}]
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[]
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[null,"Root Canal Anatomy",{"$nulls":4},"Chisquare with Yates Corection","P Value"]
["Ethnic Group",1,2,">2","C",null,98.286000000000001,0]
["Caucasian",1571,199,2,0,1772]
["African",351,49,8,0,408]
["Indian",115,21,0,0,136]
["Mongolia",212,5,0,1,218]
["Middle East",868,212,2,2,1084]
["Total",3117,486,12,3,3618]

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[null,"Number of Roots",null,null,"Chisquare with Yates Corection","P Value",null,"Root Canal Anatomy",null,null,"Chisquare with Yates Corection","P Value"]
["Within Caucasian","Single rooted",">=2 rooted",{"$nulls":4},1,">2"]
["FRANCE",320,8,{"$f":"SUM(B3:C3)","v":328},null,null,"FRANCE",284,44,328]
["GERMANY",2086,3,{"$f":"SUM(B4:C4)","v":2089},null,null,"Poland ",38,18,56,26.231999999999999,2.0999999999999998E-6]
["USA",1334,4,{"$f":"SUM(B5:C5)","v":1338},32.316000000000003,6.9999999999999997E-7,"USA",1249,137,1386]
["TOTAL",{"$f":"SUM(B3:B5)","v":3740},{"$f":"SUM(C3:C5)","v":15},{"$f":"SUM(B6:C6)","v":3755},null,null,null,1571,199,1770]
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[]
[]
[null,"Number of Roots",null,null,"Chisquare with Yates Corection","P Value"]
["MONGOLIA","Single rooted",">=2 rooted",{"$nulls":4},"Root Canal Anatomy",null,null,"Chisquare with Yates Corection","P Value"]
["CHINA",178,0,{"$f":"SUM(B12:C12)","v":178},null,null,"CHINA",173,5,178]
["KOREA",784,5,{"$f":"SUM(B13:C13)","v":789},0.28699999999999998,0.86,"JAPAN",39,1,40,0.182,0.69899999999999995]
[null,{"$f":"SUM(B12:B13)","v":962},{"$f":"SUM(C12:C13)","v":5},{"$f":"SUM(B14:C14)","v":967},null,null,null,212,6,218]
[{"$nulls":14},2.9999999999999997E-8]
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[]
[]
[null,"Number of Roots"]
["MIDDLE EAST","Single rooted",">=2 rooted",null,"Chisquare with Yates Corection","P Value",null,"Root Canal Anatomy",null,null,"Chisquare with Yates Corection","P Value"]
["KUWAIT",61,3,{"$f":"SUM(B21:C21)","v":64},{"$nulls":4},1,">2"]
["JORDAN",389,11,{"$f":"SUM(B22:C22)","v":400},9.4719999999999995,2.3599999999999999E-2,null,"KUWAIT",61,3]
["IRAN ",103,0,{"$f":"SUM(B23:C23)","v":103},null,null,null,"JORDAN",288,112,38.023000000000003,2.9999999999999999E-7]
["TURKEY",300,0,{"$f":"SUM(B24:C24)","v":300},null,null,null,"IRAN ",283,37]
[null,{"$f":"SUM(B21:B24)","v":853},{"$f":"SUM(C21:C24)","v":14},{"$f":"SUM(B25:C25)","v":867},null,null,null,"TURKEY",236,64]

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[null,"Number of Roots",null,null,"Chisquare ","P Value",null,"Root Canal Anatomy",null,"Chisquare with Yates Corection","P Value"]
["Within Caucasian","Single rooted",">=2 rooted",{"$nulls":4},1,">2"]
["FRANCE",309,32,{"$f":"SUM(B3:C3)","v":341},null,null,"FRANCE",235,106,16.742999999999999,2.3000000000000001E-4]
["GERMANY",2352,17,{"$f":"SUM(B4:C4)","v":2369},116.245,0,"Poland ",74,9]
["USA",810,22,{"$f":"SUM(B5:C5)","v":832},null,null,"USA",2588,820]
["TOTAL",{"$f":"SUM(B3:B5)","v":3471},{"$f":"SUM(C3:C5)","v":71},{"$f":"SUM(B6:C6)","v":3542}]

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["Ethnic Group","Number of roots within first premolars",{"$nulls":5},"Total for Ethnic Group","Chi square with Yates Correction","P Value"]
[]
[null,1,null,2,null,">2"]
["Caucasian",3471,null,61,null,10,null,3542]
["African",335,null,65,null,0,null,400]
["Indian",1201,null,47,null,2,null,1250,333.19200000000001,"0*"]
["Mongolian",1409,null,6,null,0,null,1415]
["Middle East",979,null,21,null,0,null,1000]
["Sub-group Total",7395,null,200,null,12,null,"7607(N)"]
[]
[null,"Number of root canals in first premolars"]
[null,1,2,null,3,null,"C-shaped"]
["Caucasian",2586,935,null,25,null,15,3561,201.321,"0*"]
["African",604,193,null,15,null,0,812]
["Indian",343,137,null,0,null,15,495]
["Mongolian",1311,251,null,14,null,42,1618]
["Middle East",795,372,null,21,null,7,1195]
["Sub-group Total",5639,1888,null,75,null,79,"7681 (N)"]
[null,"Number of apical foramina in first premolar"]
[null,1,null,2,null,3]
["Caucasian",1490,null,383,null,0,null,1873]
["Indian",1239,null,307,null,4,null,1550,30.620999999999999,"0*"]
["Mongolia",905,null,160,null,4,null,1069]
["Middle East",595,null,100,null,5,null,700]
["Sub-group Total",4229,null,950,null,13,null,"5192 (N)"]
[null,"Number of roots in second premolar",{"$nulls":7},"."]
[null,"Single rooted",null,"Bi-rooted",null,"> 2 Roots"]
["Caucasian",3740,null,9,null,6,null,3755]
["Indian",94,null,2,null,0,null,96,27.478999999999999,"00011*"]
["Mongolia",962,null,5,null,0,null,967]
["Middle East",853,null,14,null,0,null,867]
["Sub-group Total",5649,null,30,null,6,null,"5685 (N)"]
[null,"Number of Root Canals in Second  Premolar"]
[null,1,2,null,">2",null,"C-shaped"]
["Caucasian",1571,199,null,2,null,0,1772]
["African",351,49,null,8,null,0,408]
["Indian",115,21,null,0,null,0,136,98.286000000000001,".000*"]
["Mongolia",212,5,null,0,null,1,218]
["Middle East",868,212,null,2,null,2,1084]
["Sub-group Total",3117,486,null,12,null,3,"3618 (N)"]
[null,"Number of Apical foramina in Second Premolar"]
[null,1,null,2,null,3]
["Caucasian",438,null,12,null,0,null,450]
["Indian",122,null,14,null,0,null,136,40.914999999999999,".000*"]
["Middle East",934,null,150,null,0,null,1084]
["Sub-group Total",1494,null,176,null,0,null,"1670 (N)"]

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["Ethnic Group","Root Canal Configuration for 1st premolar (Vertucci Type)",{"$nulls":8},"Total","Chi square with Yates Correction","P Value"]
[]
[null,1,2,3,4,5,6,7,8,"Non- Vertucci Type",null,293.39,"0*"]
["Caucasian",360,0,16,32,96,0,0,0,0,504]
["Indian",1108,48,16,237,69,2,0,4,2,1486]
["Mongolia",720,21,27,31,92,0,1,4,0,896]
["Middle East",680,68,41,94,125,6,6,2,7,1029]
["Sub-group Total",2868,137,100,394,382,8,7,10,9,"3915(N)"]
["Root Canal Configuration for 2nd premolar ",{"$nulls":10},127.762]
["Caucasian",390,0,0,0,10,0,0,0,0,400,null,"0*"]
["Indian",110,9,3,3,11,0,0,0,0,136]
["Mongolia",173,0,0,1,3,0,0,0,1,178]
["Middle East",600,38,22,55,81,3,2,0,2,803]
["Sub-group Total",1273,47,25,59,105,3,2,0,3,"1517(N)"]