Table 1.

Reproducibility of [13C]octanoic acid gastric-emptying breath test parameters.

Gastric emptying parametersParameters of reproducibility (linear regression analysis)
MeanSlopeInterceptrSDy-values
IRISt1/2, breath, min100.7 ± 53.70.997 ± 0.0141.076 ± 1.5720.9983±3.240
tlag, breath, min42.8 ± 32.61.045 ± 0.025−0.798 ± 1.3660.9946±3.640
GEC2.90 ± 0.550.980 ± 0.0210.049 ± 0.0610.9959±0.050
IRMSt1/2, breath, min79.0 ± 24.41.006 ± 0.008−0.065 ± 0.6400.9995±0.825
tlag, breath, min24.8 ± 16.11.004 ± 0.004−0.014 ± 0.1160.9999±0.277
GEC3.33 ± 0.350.998 ± 0.0080.004 ± 0.0260.9995±0.012