Non-surgical Treatments for Urinary Incontinence in Adult Women: Diagnosis and Comparative Effectiveness
Evaluation of Diagnostic Methods (2 of 2)
Comparative analyses included:
Sensitivity: The probability of a true positive result when used on an affected population
Specificity: The probability of a true negative result when used on a nonaffected population
Positive Predictive Value (PPV): The ratio of the number of true positives to the total number of positive test outcomes
Positive Likelihood Ratio: The ratio of the probability of a true positive (the sensitivity) to the probability of a false positive (1-specificity). The larger the positive likelihood ratio, the more useful the test:
1 No difference
>10 Large, conclusive
- Altman DG, Bland JM. Diagnostic tests 2: predictive values. BMJ 1994;309:102. PMID: 8038641.
- Shamliyan T, Wyman J, Sainfort F, et al. Nonsurgical Treatments for Urinary Incontinence in Adult Women: Diagnosis and Comparative Effectiveness. Comparative Effectiveness Review No. 36 (Prepared by the Minnesota Evidence-based Practice Center under Contract No. 290-2007-10064-I). Rockville, MD: Agency for Healthcare Research and Quality; April 2012. AHRQ Publication No. 11(12)-EHC074-EF. Available at www.effectivehealthcare.ahrq.gov/ui.cfm.
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