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Table 1 Clinical features between pancreatic head PAAD and pancreatic body/tail PAAD in original and matched cohorts

From: Tumor location as an indicator of survival in T1 resectable pancreatic ductal adenocarcinoma: a propensity score-matched analysis

Original cohort (n = 8409) Matched cohort (n = 4571)
Characteristics Head Body/Tail P Characteristics Head Body/Tail P
Age at diagnosis 65.3 ± 10.4 66.4 ± 10.8 < 0.001 Age at diagnosis 66.2 ± 10.3 66.4 ± 10.8 0.540
Year of diagnosis    < 0.001 Year of diagnosis    0.499
2004–2008 2813 431   2004–2008 1170 427  
2009–2014 4333 832   2009–2014 2151 823  
Race    < 0.001 Race    0.934
 White 5900 982    White 2615 977 0.032
 Yellow 478 114    Yellow 281 110  
 Black 706 158    Black 397 154  
 Others 62 9    Others 28 9  
Gender Gender
 Female 3542 662 0.062  Female 1706 651 0.669
 Male 3604 601    Male 1615 599  
Marital status Marital status
 Married 4516 805 0.319  Married 2095 795 0.891
 Single 840 128    Single 367 127  
 Divorced 741 125    Divorced 320 125  
 Widowed 849 163    Widowed 437 161  
 Unknown 200 42    Unknown 102 42  
T stage T stage
 T1 1281 177 < 0.001  T1 492 177 < 0.001
 T2 4497 559    T2 1680 559  
 T3 1368 527    T3 1149 514  
N stage    < 0.001 N stage    0.087
 N0 2233 606    N0 1469 595  
 N1 3037 476    N1 1307 474  
 N2 1876 181    N2 545 181  
Pathology grade    0.171 Pathology grade    0.947
 Grade 1 654 123    Grade 1 301 121  
 Grade 2 3488 649    Grade 2 1733 638  
 Grade 3 2523 403    Grade 3 1063 403  
 Grade 4 59 14    Grade 4 35 14  
 Unknown 422 74    Unknown 189 74