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Table 1 Demographics and clinical characteristics

From: Correlation between psychological stress levels and the severity of overactive bladder symptoms

  OAB IC/BPS Controls
No. of participants 51 27 30
Age (mean ± SD) 53.4 ± 11.9 44.8 ± 16.6 54.2 ± 12.3
Sex (% females) 73% 100% 57%
Age of diagnosis of OAB or IC/BPS (mean ± SD) 47.5 ± 15.2 38.8 ± 10.3 NA
% with OAB or IC/BPS symptoms less than one year? (early onset cases) 24% 22% NA
Comorbidities:    
  Hypertension 37% 30% 33%
  Diabetes 8% 0% 3%
  Stroke, TIA 8% 0% 7%
  Angina, MI 0% 0% 0%
  Depression 32% 37% 17%
  Anxiety 20% 37% 7%
PSS (perceived stress scale, 0–40): Median (1st quartile, 3rd quartile, semi-interquartile range) 17.0 (12.0, 24.0, 6.0) 18.0 (12.5, 21.5, 4.5) 7.5 (5.0, 17.0, 4.75)
OAB symptom scores: (mean ± SD)    
ICIQ-UI (urinary incontinence, 0–21): 12.0 ± 4.9 6.6 ± 5.7 1.4 ± 2.0
UDI-6 (urogenital distress inventory, 0–24): 12.6 ± 5.6 11.0 ± 5.3 0.9 ± 1.4
IIQ-7 (incontinence impact questionnaire, 0–28): 8.8 ± 8.2 4.9 ± 7.0 0.1 ± 0.4
OAB-q quality of life subscale (13–78): 29.7 ± 16.9 25.1 ± 14.9 2.0 ± 3.0
OAB-q symptom bother subscale (6–36): 19.1 ± 6.6 14.2 ± 7.4 2.2 ± 2.8
ICIQ-OAB (overactive bladder, 0–16): 9.3 ± 2.6 7.3 ± 4.1 2.0 ± 1.5
USS (urgency severity scale, 0–3): 2.1 ± 0.7 1.9 ± 0.8 0.5 ± 0.6
Numeric rating scale of urgency (0–10): 6.1 ± 2.6 5.9 ± 2.8 0.4 ± 0.6
Numeric rating scale of frequency (0–10): 6.4 ± 2.6 6.2 ± 2.3 0.6 ± 0.9