TABLE 1

Clinical characteristics of each study groupe

CharacteristicValue(s) for:P value
New patients (n = 33)Relapsed patients (n = 30)Controls (n = 29)
Demographics
    No. (%) patients by sex
        Female32 (97.0)27 (90.0)26 (89.7)
        Male1 (3.0)3 (10.0)3 (10.3)
    Age (yr)
        Mean (SD)48.7 (16.5)47.8 (16.5)40.7 (15.7)0.113a
        Range (yr)18–7724–7820–76
Urinary patterns (24 h)
    Frequency<0.05b
        Mean8.88.55.9
        SD5.13.71.5
        Median (95% CI)6.5 (5.5–10.5)8.0 (6.5–9.5)5.5 (5.5–6.5)
    Nocturia<0.05b
        Mean1.71.60.3
        SD1.71.90.4
        Median (95% CI)1.5 (0.5–2.0)1.0 (0.0–2.5)0.0 (0.0–0.5)
No. (%) of patients with the following symptomsd:
    UUI25 (75.8)12 (40.0)0 (0.0)<0.05c
    Pain24 (72.7)26 (86.7)0 (0.0)0.172c
    Voiding29 (87.9)21 (70.0)0 (0.0)0.080c
    SUI17 (51.5)2 (6.7)0 (0.0)<0.001c
No. of symptoms
    UUI symptoms<0.001b
        Mean3.41.40.0
        SD2.92.20.0
        Median (95% CI)3.0 (1.0–4.0)0.0 (0.0–2.0)0.0 (0.0–0.0)
    Pain symptoms<0.001b
        Mean3.13.60.0
        SD2.72.90.0
        Median (95% CI)3.0 (1.0-4.0)3.0 (2.0–4.0)0.0 (0.0–0.0)
    Voiding symptoms<0.001b
        Mean4.13.60.0
        SD2.82.80.0
        Median (95% CI)4.0 (2.0–6.0)4.0 (2.0–5.0)0.0 (0.0–0.0)
    SUI symptoms<0.001b
        Mean0.70.30.0
        SD0.81.00.0
        Median (95% CI)1.0 (0.0–1.0)0.0 (0.0–0.0)0.0 (0.0–0.0)
    Total symptom score<0.001b
        Mean11.38.90.0
        SD5.95.20.0
        Median (95% CI)12.0 (9.0–14.0)9.0 (6.0–11.0)0.0 (0.0–0.0)
  • a Kruskal-Wallis test.

  • b Mood’s median test.

  • c Chi-square test.

  • d Percentages are those within each group. Statistical comparisons are between the new patient and relapsed patient groups only. Symptoms were ascertained from a yes-or-no response to questions on a questionnaire.

  • e Abbreviations: CI, confidence interval; SUI, stress urinary incontinence; UUI, urgency urinary incontinence. Statistically significant differences are indicated by bold font.