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Table 4 Simulated crude prevalence odds ratios for fibromyalgia according to hypothesized levels of observed non-differential sensitivity and specificity of outcome misclassification

From: Migraine, fibromyalgia, and depression among people with IBS: a prevalence study

  Specificity
Sensitivity 100.0% 99.5% 99.0% 98.5% 98.0% 97.5% 97.0% 96.5% 96.0%
100.0% 3.0 3.2 3.5 3.8 4.3 5.1 6.2 8.3 13.2
95.0% 3.0 3.2 3.5 3.9 4.4 5.1 6.3 8.4 13.3
90.0% 3.0 3.2 3.5 3.9 4.4 5.1 6.3 8.4 13.4
85.0% 3.0 3.3 3.5 3.9 4.4 5.2 6.3 8.5 13.5
80.0% 3.0 3.3 3.6 3.9 4.5 5.2 6.4 8.5 13.6
75.0% 3.1 3.3 3.6 4.0 4.5 5.3 6.4 8.6 13.7
70.0% 3.1 3.3 3.6 4.0 4.5 5.3 6.5 8.7 13.8