Table 1.
Demographic characteristics of the women who underwent biofeedback and electrostimulation-assisted pelvic floor muscle training.
| Mild SUI (n = 36) |
Moderate to Severe SUI (n = 21) | p | |
|---|---|---|---|
| Age (y) | 50.6 ± 11.3 | 50.3 ± 13.6 | 0.941 |
| Parity (n) | 2.2 ± 1.1 | 2.2 ± 0.9 | 0.821 |
| Vaginal delivery (n) | 30 (86%) | 20 (95%) | 0.393 |
| Cesarean section (n) | 6 (17%) | 0 (0%) | 0.074 |
| Body mass index (kg/m2) | 23.7 ± 2.8 | 23.4 ± 3.1 | 0.678 |
| Hypertension (n) | 6 (17%) | 3 (14%) | >0.999 |
| Diabetes (n) | 3 (8%) | 3 (14%) | 0.659 |
| Menopausal (n) | 18 (50%) | 9 (43%) | 0.784 |
| Previous incontinence surgery (n) | 1 (3%) | 1 (5%) | >0.999 |
| Previous hysterectomy (n) | 3 (8%) | 1 (5%) | >0.999 |
| 1-h pad test (g) | 2.5 ± 3.3 | 49.7 ± 35.5 | <0.001 * |
| Baseline incontinence-related symptom distress and quality of life | |||
| UDI-6 | 7.2 ± 3.4 | 8.6 ± 3.2 | 0.131 |
| ISI | 5.7 ± 4.5 | 5.9 ± 5.8 | 0.911 |
| VAS | 6.6 ± 5.0 | 6.2 ± 1.8 | 0.765 |
| IIQ-7 | 8.0 ± 6.3 | 8.2 ± 4.4 | 0.880 |
| Baseline electromyography measurements | |||
| Maximal voluntary contraction (µV) | 26.9 ± 14.8 | 22.8 ± 12.5 | 0.288 |
| Duration of sustained contraction (s) | 7.7 ± 4.8 | 6.4 ± 4.0 | 0.305 |
| Vaginal contraction pressure (cmH2O) | 29.3 ± 14.8 | 20.9 ± 14.3 | 0.039 * |
| Number of PFMT sessions (n) | 13.7 ± 6.1 | 11.9 ± 6.4 | 0.286 |
| Total duration of treatment (day) | 72.7 ± 25.4 | 60.4 ± 38.1 | 0.227 |
Data are presented as mean ± standard deviation or as number (percent) of patients. SUI stress urinary incontinence, UDI-6 short form of the Urogenital Distress Inventory, ISI incontinence severity index, VAS visual analog scale, IIQ-7 short form of the Incontinence Impact Questionnaire, PFMT pelvic floor muscle training. * p < 0.05; significant difference between the women with mild and moderate to severe stress urinary incontinence.