Table 2.
Intergroup and intergroup comparison of the sEMG results for the pelvic floor muscle (PFM) in the HIES and sham groups of patients.
| sEMG Activity of PFM (µV) | Measurement | HIES Group | Sham Group | p-Value 1 | ||
|---|---|---|---|---|---|---|
| Me | Q1–Q3 | Me | Q1–Q3 | |||
| Rest Tone (initial) | Baseline | 3.9 | 3.1–5.1 | 3.3 | 2.8–4.1 | 0.20 |
| After | 4.3 | 3.3–5.0 | 2.9 | 2.6–4.4 | 0.08 | |
| 1-h FU | 4.1 | 3.5–4.9 | 3.3 | 2.4–4.8 | 0.10 | |
| p-value 2 | 0.49 | 0.79 | ||||
| Contraction | Baseline | 10.1 | 8.3–12.3 | 9.4 | 7.5–11.7 | 0.54 |
| After | 11.7 | 9.7–13.8 | 10.5 | 8.3–12.1 | 0.047 | |
| 1-h FU | 12.0 | 10.1–13.9 | 11.0 | 8.0–12.0 | 0.017 | |
| p-value 2 | <0.001 | 0.89 | ||||
| Quick flicks | Baseline | 10.6 | 8.5–13.5 | 10.5 | 8.1–12.1 | 0.82 |
| After | 12.1 | 9.7–14.9 | 10.0 | 8.8–12.9 | 0.20 | |
| 1-h FU | 12.4 | 10.1–15.3 | 11.1 | 8.6–12.0 | 0.08 | |
| p-value 2 | 0.005 | 0.19 | ||||
| Static hold | Baseline | 10.1 | 8.3–12.3 | 9.4 | 7.5–11.7 | 0.54 |
| After | 10.6 | 9.0–14.7 | 10.0 | 8.0–13.7 | 0.58 | |
| 1-h FU | 10.7 | 9.1–14.1 | 11.1 | 8.6–12 | 0.57 | |
| p-value 2 | 0.12 | 0.55 | ||||
| Rest tone (last) | Baseline | 4.0 | 3.1–5.4 | 2.9 | 2.4–4.8 | 0.15 |
| After | 3.5 | 2.8–4.5 | 3.2 | 2.5–4.2 | 0.45 | |
| 1-h FU | 2.9 | 2.4–4.8 | 3.3 | 2.5–3.6 | 0.31 | |
| p-value 2 | 0.72 | 0.89 | ||||
1 U Mann–Whitney test; 2 Friedman test (main effect); sEMG: surface electromyography; PFM: pelvic floor muscle; µV: microvolt; HIES: high-inductive electromagnetic stimulation; Me: median; Q1: first quartile; Q3: third quartile; FU: follow-up.