. Author manuscript; available in PMC: 2010 Oct 1.

Published in final edited form as: Am J Gastroenterol. 2009 Jun 23;104(10):2543–2554. doi: 10.1038/ajg.2009.324

Table A2. Clues for which kappa values for agreement dropped by more than 0.2 in the 132 patients excluded for analysis compared with study patients.

Clues	Kappa for presence of clue in 132 patients	Kappa for presence of clue in study patients
Suspected or confirmed iron deficiency anemia	0.60	0.82
Family history of colon cancer	0.47	0.75
Weight loss	0.41	0.64