Case Control Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jun 7, 2015; 21(21): 6604-6612
Published online Jun 7, 2015. doi: 10.3748/wjg.v21.i21.6604
Table 1 Clinical characteristics
Controls, nPaC, n
All9984
Male4645
Female5339
Caucasian7577
African American236
Other11
Age (yr), median45 (19-85)64 (41-96)
TNM Stage
I/II11
III/IV23
Stage unknown50
Surgery
Sample collected prior to surgery38
Sample collected after surgery23
NA23
Chemo
Sample collected prior to chemo6
Sample collected after chemo17
Sample collected during chemo56
NA5
Radiation
Sample collected prior radiation47
Sample collected after radiation11
Sample collected during radiation3
NA23