Skip to main content
. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Neurogastroenterol Motil. 2012 Jul 2;24(12):1076–e562. doi: 10.1111/j.1365-2982.2012.01972.x

Table 2.

A. Values of gastric emptying at different times and inter-individual variation
GE T1/2 min GE 1h,% GE 2h,% GE 3h,% GE 4h,%
All participants
Mean ± SD 121.7 ± 29.8 18.1± 9.5 51.4 ± 15.7 78.1 ± 14.5 93.2 ± 8.9
Median (5th, 95th %ile) 120 (78.4, 174.0) 17 (4.4, 35.0) 50 (25.0, 78.5) 80 (52.0, 98.0) 96 (76.2, 100.0)
N 319 319 319 314 315
COVinter, % 24.5 52.7 30..6 18.6 9.6
Females
Mean ± SD 127.7 ± 28.7 16.5± 8.3 47.8 ± 14.3 75.3 ± 14.2 92.1 ± 9.4
Median (5th, 95th %ile) 125 (89.0, 180.0) 16 (4.3, 31.4) 47.2 (25.0, 71.0) 76 (50.0, 95.9) 94.8 (76.2, 100.0)
N 214 214 214 211 211
COVinter, % 22.5 50.5 29..9 18.8 10.2
Males
Mean ± SD 109.9 ± 28.6 21.3± 10.9 58.6 ± 15.1 83.8 ± 13.6 92.1 ± 9.4
Median (5th, 95th %ile) 105 (73.2, 165.0) 19 (4.7, 40.0) 60.0 (28.4, 82.0) 88 (55.0, 100.0) 98.3 (77.0, 100.0)
N 105 105 105 103 104
COVinter, % 26.0 51.3 27..5 16.2 7.7
B. Values of gastric emptying T1/2 on 2 repeat studies, and intra-individual variation
All participants
GE T1/2 Mean ± SD 128.4 ± 25.1
Delta GE T1/2 Mean ± SD −1.6 ± 30.6
N 47
COVintra, % 23.8
Female participants
Mean ± SD 130.1 ± 27.2
Median (5th, 95th %ile) −5.2 ± 38.9
N 31
COVintra, % 22.2
Male participants
Mean ± SD 125.2 ± 20.7
Median (5th, 95th %ile) 5.5 ± 33.5
N 16
COVintra, % 26.7