Signs and Evidence

Making clinical sense of scientific data


Beware of the limitations of this tool


Choose the relevant clinical signs you want to include in the calculation of posttest probabilities. The strongest signs are listed the highest.

1Buttock Pain
2Squat causing posterior pain
3Groin pain
4Active extension causing pain
5Trendelenburg test

To further investigations

Select the conditions you want to compare

Pretest probabilities will be calculated based on averages from relevant studies.

 Select or deselect all boxes

Age > 60

Sources used:

1.Sutlive TG et al. Development of a clinical prediction rule for diagnosing hip osteoarthritis in individuals with unilateral hip pain. Journal of Orthopaedic & Sports Physical Therapy. 2008; 38(9): 542-550
2.Youdas JW et al. Usefulness of the Trendelenburg test for identification of patients with hip joint osteoarthritis, Physiotherapy Theory and Practice, 26:3, 184-194 (2010)
3.Xu L et al. Frequency of MRI-Detected Hip Osteoarthritis Features in Persons with Chronic Hip Pain and the Diagnostic Performance of Radiography Using MRI As the Reference. Skeletal Radiol. 2013 Oct;42(10):1421-8
4.Quintana JM et al. Prevalence of knee and hip osteoarthritis and the appropriateness of joint replacement in an older population. Arch Intern Med. 2008 Jul 28;168(14):1576-84