TABLE 2

Reference Range and Reproducibility of Half-Times of Gastric Emptying as Function of Age and Sex

Reference range (min)*Reproducibility (min)
LAOA-PLAOA-P
Sex and age categoryMean ± SDRangeMean ± SDRangeMean ± SDRangeMean ± SDRange
Men
 20–40 y38.0 ± 21.020–6035.6 ± 22.613–5625 ± 8.74–2716.6 ± 10.68–31
 40–60 y15.3 ± 6.59–2418.4 ± 6.812–265.8 ± 3.22–102.9 ± 3.71–8
 60–80 y13.8 ± 3.99–1817.6 ± 1.816–2010.1 ± 6.14–185.4 ± 5.60–13
 All22.3 ± 16.59–6023.9 ± 15.112–5611.0 ± 8.22–278.3 ± 9.00–31
Women
 20–40 y28.5 ± 9.422–4227.9 ± 12.318–468.5 ± 10.33–2414.6 ± 13.86–35
 40–60 y36.5 ± 7.728–4435.8 ± 7.026–4212.3 ± 7.71–189.8 ± 7.12–18
 60–80 y22.4 ± 5.016–2621.8 ± 4.815–269.5 ± 7.02–185.0 ± 5.21–13
 All29.1 ± 9.216–4428.3 ± 10.115–4610.1 ± 7.81–249.8 ± 9.51–35
Both men and women, all age categories25.7 ± 13.59–6026.2 ± 12.712–5610.5 ± 7.91–279.0 ± 9.10–35

  • ↵* Determined from first of 2 studies in each subject.

  • A-P = anterior–posterior.