Table 3. Participant-Reported Symptom Severity and Participant Self-Evaluation of Therapeutic Effectsa.
| Week 6 | Week 18 | Weeks 30 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Electro- acupuncture (n = 252) |
Sham Electro- acupuncture (n = 252) |
P Valueb | Electro- acupuncture (n = 252) |
Sham Electro- acupuncture (n = 252) |
P Valueb | Electro- acupuncture (n = 252) |
Sham Electro- acupuncture (n = 252) |
P Valueb | |
| Severity of Stress Urinary Incontinencec | |||||||||
| None | 13 (5.3) | 6 (2.4) | .03 | 40 (16.5) | 17 (7.1) | <.001 | 51 (21.1) | 24 (10.0) | <.001 |
| Mild | 138 (56.1) | 121 (49.2) | 166 (68.6) | 134 (56.1) | 147 (60.7) | 140 (58.6) | |||
| Medium | 88 (35.8) | 102 (41.5) | 30 (12.4) | 75 (31.4) | 39 (16.1) | 66 (27.6) | |||
| Severe | 7 (2.8) | 17 (6.9) | 6 (2.5) | 13 (5.4) | 5 (2.1) | 9 (3.8) | |||
| Missing | 6 | 6 | 10 | 13 | 10 | 13 | |||
| Participant Self-evaluation of Therapeutic Effects | |||||||||
| No help | 2 (0.8) | 75 (30.5) | <.001 | 8 (3.3) | 76 (31.8) | <.001 | 15 (6.2) | 82 (34.3) | <.001 |
| Little help | 34 (13.8) | 96 (39.0) | 50 (20.6) | 97 (40.6) | 45 (18.5) | 89 (37.2) | |||
| Medium help | 119 (48.4) | 47 (19.1) | 104 (42.8) | 35 (14.6) | 95 (39.1) | 40 (16.7) | |||
| Great help | 91 (37.0) | 28 (11.4) | 81 (33.3) | 31 (13.0) | 88 (36.2) | 28 (11.7) | |||
| Missing | 6 | 6 | 9 | 13 | 9 | 13 | |||
a
There were 252 participants for each group and time period.
b
Calculated using the Wilcoxon rank-sum test.
c
Rated using the 72-hour bladder diary by participants ( mild, leaking several drops; moderate, soaking the underwear; severe, soaking the outerwear). The worst degree of urine incontinence during weeks 1 to 6, 15 to 18 and 27 to 30 was used as the severity of stress urinary incontinence for each corresponding time period.