Rapid Communication
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 14, 2007; 13(10): 1569-1574
Published online Mar 14, 2007. doi: 10.3748/wjg.v13.i10.1569
Table 4 Positive predictive value (PPV) of fecal Lf and Hb in colorectal diseases
PPV
DiseasesnHb > 100% (No.)Hb > 100 and Lf>65% (No.)
Colorectal cancer3617.8 (18/101)21.2 (14/66)
Colorectal polyp15718.8 (19/101)6.1 (4/66)
Ulcerative colitis6224.8 (25/101)33.3 (22/66)
Crohn’s desease4012.9 (13/101)16.7 (11/66)
Colorectal diverticulum731.0 (1/101)1.5 (1/66)
Internal hemorrhoids1425.9 (6/101)6.1 (4/66)
Nonspecific colitis203.0 (3/101)4.5 (3/66)
Other diseases241.0 (1/101)0.0 (0/66)