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. 2011 Aug 11;301(5):G919–G928. doi: 10.1152/ajpgi.00168.2011

Table 3.

CCCs comparing urine sugar excretions at different times

Response Lactulose (CCC, 95% CI) Mannitol (CCC, 95%CI)
TCF25%
0-60 min 0.64 (0.32, 0.83) 0.26 (−0.16, 0.60)
0-90 min 0.59 (0.29, 0.79) 0.20 (−0.08, 0.45)
0-120 min 0.48 (0.23, 0.68) 0.16 (−0.03, 0.33)

Excretion is during the time before arrival of >25% isotope in the colon (TCF25%).

CCC, concordance correlation coefficient; CI, confidence interval.