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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f29_36_30283

©2013 UpToDate ® Print Email Diagnostic tests for cancer as cause of low back pain Sensitivity Specificity Erythrocyte sedimentation rate (ESR) ≥20 mm/hr 0.78 0.67 ≥50 mm/hr 0.56 0.97 ≥100 mm/hr 0.22 0.996 Anemia (hematicrit <40 percent for men or <38 percent for women) 0.54 0.86 Hematocrit <30 0.09 0.994 WBC ≥12,000 0.22 0.94 Data from: Deyo, RA, Diehl, AK. Cancer as a cause of back pain: frequency, clinical presentation, and diagnostic strategies. J Gen Int Med 1988; 3:230.