Mean (SD) percentage of peristaltic contractions in the three groups
| Percentage | Comparison | 95% CI5-150 | p Value | |
| Group 1 | 67.15 (12.2) | Group 1–group 2 | 2.45 to 25.0 | p<0.05 |
| Group 2 | 53.43 (12.4) | Group 1–group 3 | 2.43 to 27.7 | p<0.05 |
| Group 3 | 52.08 (14.51) | Group 2–group 3 | −11.5 to 14.16 | p>0.05 |
↵5-150 The 95% confidence interval (CI) shows that it is 95% confident that the differences of means between group 1 and group 2, group 1 and group 3, and group 2 and group 3 lie between 2.45 and 25, 2.43 and 27.7, and −11.5 and 14.16, respectively, for the mean percentages of peristaltic activity during the total period.