Validation of the overactive bladder symptoms score (OABSS)


Authors: Jerry G Blaivas;  Md 1,2,3;  Georgia Panagopoulos;  Md 2;  Jeffrey P Weiss;  Md 1,2,3;  Chandra Somaroo;  Md 3
Published in: Urol List 2008; 6(1): 20-24

Overview

Purpose:
To validate a new 7-item Overactive Bladder symptom score (OABSS).

Materials & Methods:
Normal subjects and consecutive patients with LUTS, with or without OAB were recruited and classified into 3 groups based on their response to the following question on an intake questionnaire, „do you ever experience a sudden urge to urinate that makes you want stop what you are doing and rush to a bathroom?“ Subjects completed the written questionnaire in privacy on two separate occasions.

Results:
There were 84 subjects (33 men and 51 women) with a median age 62 years (range 18–88). Thirty-three (39 %) had OAB, 30 (36 %) had LUTS without OAB and 21 (25 %) were normal. There was a high level of internal consistency (Cronbach's alpha = 0.83 and 0.80 at visit 1 and visit 2, respectively, p < 0.001). For test-retest reliability, Spearman's rank order correlation coefficients for the items ranged from r = 0.72 to r = 0.79 (p < 0.001). A strong correlation was also observed between the total 7-item score at visit 1 and visit 2 for all participants (r = 0.86, p < 0.001) and for each diagnostic subgroup. Discriminant validity was established by obtaining significant differences in the responses amongst the three subgroups at each administration (p < 0.01).

Key words:
OAB, symptom score, validation


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Paediatric urologist Urology
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