Table 7.
Mixed analysis of lower esophageal sphincter mean resting pressure, lower esophageal sphincter integrated relaxation pressure, and upper esophageal sphincter residual pressure
| Dependent variable | Independent variable | Beta coefficient | SE | P value |
| LES restP | Intercept | 48.30 | 13.13 | 0.021a |
| Treatment stage1 | -15.75 | 3.74 | 0.004b | |
| Gender2 | 5.64 | 9.78 | 0.595 | |
| Age | -0.07 | 0.38 | 0.860 | |
| LES IRP | Intercept | 34.53 | 5.00 | <0.001c |
| Treatment stage | -22.23 | 3.18 | <0.001c | |
| Gender | -11.59 | 2.56 | 0.011a | |
| Age | -0.06 | 0.10 | 0.590 | |
| UES RP | Intercept | 6.04 | 5.40 | 0.309 |
| Treatment stage | -5.82 | 1.89 | 0.018a | |
| Gender | -6.11 | 3.65 | 0.169 | |
| Age | 0.04 | 0.14 | 0.808 |
1
Pretreatment stage was used as the reference category.
2
Female gender was used as the reference category. Level significance is indicated as follows:
a
P < 0.05;
b
P < 0.01;
c
P < 0.001. Age, sex, and treatment stage were controlled for as between-subject independent variables, considering the random effect of the individual and the effect of repeated measurement before and after treatment. LES: Lower esophageal sphincter; UES: Upper esophageal sphincter; restP: Mean resting pressure; IRP: Integrated relaxation pressure; RP: Residual pressure.