Table 1.
Demographic and clinical characteristics of participants.
| Normal weight 18.5 ≦ BMI<24 (n = 102) |
Overweight 24 ≦ BMI<27 (n = 48 ) | Obese 27 ≦ BMI (n = 47) |
p | |
|---|---|---|---|---|
| Age, y | 57.8 ± 12.5 | 65.4 ± 14.1 | 60.2 ± 11.2 | 0.003 |
| Parity, n | 1.9 ± 1.2 | 2.4 ± 1.6 | 2.2 ± 1.3 | 0.059 |
| Vaginal delivery, n | 1.6 ± 1.3 | 2.4 ± 1.6 | 1.7 ± 1.6 | 0.009 |
| Cesarean section, n | 0.3 ± 0.6 | 0.1 ± 0.4 | 0.4 ± 0.8 | 0.019 |
| Body mass index, kg/m2 | 21.3 ± 1.8 | 26.4 ± 1.2 | 31.1 ± 3.2 | < 0.001 |
| Hypertension | 11 (10.7%) | 13 (27.1%) | 16 (34.0%) | 0.003 |
| Diabetes mellitus | 4 (3.9%) | 10 (20.8%) | 6 (13.0%) | 0.005 |
| Hyperlipidemia | 12 (11.8%) | 8 (16.7%) | 10 (22.2%) | 0.332 |
| Prior hysterectomy | 5 (4.9%) | 13 (27.7%) | 8 (17.8%) | 0.001 |
| Prior urogynecology surgery | 12 (10.7%) | 12 (25.0%) | 11 (23.4) | 0.142 |
| Mean episodes of voids per 24 h, n | 10.2 ± 4.4 | 8.9 ± 4.3 | 8.5 ± 3.3 | 0.057 |
| Mean episodes of nocturia per night, n | 2.7 ± 1.8 | 3.1 ± 1.5 | 2.7 ± 1.8 | 0.414 |
| Mean episodes of urgent micturition per 24 h, na | 4.1 ± 3.5 | 4.8 ± 4.4 | 4.3 ± 4.2 | 0.556 |
| Mean episodes of urinary incontinence per day, n | 2.3 ± 2.9 | 2.7 ± 3.0 | 2.0 ± 1.4 | 0.484 |
| UDI-6 | 7.5 ± 3.9 | 8.8 ± 4.2 | 7.1 ± 3.1 | 0.102 |
| IIQ-7 | 8.8 ± 6.3 | 10.4 ± 6.0 | 9.7 ± 6.1 | 0.347 |
| OABSS | 7.7 ± 3.5 | 9.6 ± 3.2 | 8.9 ± 3.4 | 0.005 |
| PISQ12 | 30.0 ± 8.1 | 24.9 ± 15.8 | 31.8 ± 6.3 | 0.131 |
Data are presented as mean ± standard deviation or as number (percent) of patients.
UDI-6: the short form of the Urogenital Distress Inventory, IIQ-7: the short form of the Incontinence Impact Questionnaire, OABSS: overactive bladder symptom score.