TABLE 2.
Comparison of parameters of ARM before and after treatment in TEA group (n = 22) and sham-TEA group (n = 22).
Parameters of ARM | Baseline | TEA | P # | Baseline | Sham-TEA | P ¶ | P * |
Rectal resting pressure | 87.00 ± 4.50 | 84.38 ± 3.46 | 0.284 | 84.45 ± 3.78 | 83.65 ± 2.63 | 0.788 | 0.867 |
Anal maximum squeeze pressure | 201.81 ± 13.48 | 190.16 ± 12.94 | 0.168 | 175.54 ± 8.51 | 166.13 ± 7.80 | 0.131 | 0.119 |
Rectal sensory threshold | |||||||
First sensation | 55.91 ± 6.02 | 44.55 ± 4.04 | 0.014 | 55.91 ± 5.80 | 58.64 ± 5.52 | 0.486 | 0.046 |
Desire of defecation | 92.27 ± 6.96 | 72.72 ± 5.74 | 0.001 | 90.00 ± 7.67 | 95.45 ± 7.67 | 0.174 | 0.022 |
Urge of defecation | 138.18 ± 10.62 | 113.64 ± 7.10 | 0.005 | 125.91 ± 7.75 | 132.73 ± 7.03 | 0.096 | 0.063 |
Maximum tolerable volume | 177.73 ± 11.47 | 145.91 ± 7.97 | <0.001 | 164.09 ± 8.26 | 169.09 ± 7.89 | 0.316 | 0.045 |
Rectoanal inhibitory reflex | 18.18 ± 1.07 | 17.73 ± 1.13 | 0.329 | 19.55 ± 1.54 | 20.00 ± 1.47 | 0.576 | 0.228 |
Rectal resting pressure and anal maximum squeeze pressure are in mmHg; Rectal sensory threshold and rectoanal inhibitory reflex are in ml. P#: TEA vs baseline, P¶: sham-TEA vs. baseline, P*: TEA vs sham-TEA.