Table 2
Reported diagnostic accuracy of faecal calprotectin, faecal lactoferrin, and faecal S100A12 in the differentiation of inflammatory bowel disease versus inflammatory bowel syndrome36 77
–
84
S100A8/S100A9 (calprotectin) (%)
Lactoferrin (%)
S100A12 (%)
Sensitivity
63–100
56–100
86–97
Specificity
79–93
61–100
92–97
Positive predictive value
75–90
59–100
97–98
Negative predictive value
51–100
78–99
76–97