Table 2

 Diagnostic sensitivity and specificity of three hour 13CO2 cumulative recovery of cholesteryl-[1-13C]octanoate breath test (COBT), and faecal chymotrypsin (CHT) and fluorescein dilaurate test (FDT) results

Sensitivity (%)Specificity (%)
Mild–moderate (n=10)Severe (n=12)3-150 Total
COBT40.091.768.275.0
CHT50.010077.368.8
FDT30.010068.267.7
COBT+CHT60.010081.850.0
COBT+FDT50.010077.354.8
COBT+CHT+FDT60.010081.835.5
  • 3-150 Three patients with cystic fibrosis, one with pancreatic resection, and one with pancreatic cancer were considered to have severe pancreatic exocrine insufficiency on the basis of notable steatorrhoea (>15 g/24 h).