Table 3 Comparison of gastric emptying parameter outcomes based on test meal sequence
Parameters | Sequence | Session | Within-individual difference: 99mTc-SC - 99mTc-SP | ||
|---|---|---|---|---|---|
1 | 2 | ||||
Total gastric meal retention | 0.5 h. (%) | Group 1 | 83.3 (6.0) | 84.1 (6.8) | −0.8 (6.5) |
Group 2 | 82.2 (10.3) | 78.5 (9.0) | −3.6 (12.8) | ||
Period effect | – | – | −2.0 (9.5); 95% CI: −5.5, 1.5 | ||
P = 0.325 | |||||
1 h. (%) | Group 1 | 68.6 (11.4) | 71.4 (10.1) | −2.9 (10.1) | |
Group 2 | 61.1 (17.2) | 53.6 (18.3) | −7.5 (24.5) | ||
Period effect | – | – | −4.8 (17.4); 95% CI: −11.2, 1.6 | ||
P = 0.458 | |||||
2 h. (%) | Group 1 | 36.7 (18.3) | 34.7 (15.5) | 2.0 (11.3) | |
Group 2 | 23.2 (17.0) | 17.6 (16.7) | −5.6 (22.4) | ||
Period effect | – | – | −1.2 (17.0); 95% CI: −7.4, 5.0 | ||
P = 0.155 | |||||
3 h. (%) | Group 1 | 12.6 (11.1) | 12.3 (9.0) | 0.3 (7.4) | |
Group 2 | 7.3 (6.2) | 4.5 (2.5) | −2.9 (6.8) | ||
Period effect | – | – | −1.0 (7.2); 95% CI: −3.7, 1.6 | ||
P = 0.446 | |||||
4 h. (%) | Group 1 | 4.2 (3.7) | 4.7 (3.2) | −0.5 (2.1) | |
Group 2 | 2.9 (2.3) | 1.5 (0.9) | −1.4 (2.4) | ||
Period effect | – | – | −0.9 (2.3); 95% CI: −1.7, − 0.1 | ||
P = 0.475 | |||||
Linear-fit Solid T1/2 | T1/2 (min.) | Group 1 | 114.5 (10.6) | 113.8 (9.9) | 0.8 (5.6) |
Group 2 | 105.2 (6.7) | 102.2 (6.0) | −3.0 (9.3) | ||
Period effect | – | – | −0.8 (7.5); 95% CI: − 3.6, 1.9 | ||
P = 0.307 | |||||