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. Author manuscript; available in PMC: 2011 Nov 30.
Published in final edited form as: J Nerv Ment Dis. 2011 Apr;199(4):280–285. doi: 10.1097/NMD.0b013e31821245b9

TABLE 3.

ETI-SR and ETI-SF Cutoff Points That Maximize Their Sensitivity and Specificity

Cutoff Sensitivity (95% CI) Specificity (95% CI) NND
ETI-SR
    General trauma subscale 3 0.77 (0.66–0.87) 0.60 (0.52–0.68) 2.71
    Physical abuse subscale 3 0.81 (0.62–1.00) 0.94 (0.90–0.97) 1.34
    Emotional abuse subscale 4 0.81 (0.62–1.00) 0.95 (0.91–0.98) 1.32
    Sexual abuse subscale 2 0.82 (0.63–1.00) 0.91 (0.87–0.95) 1.37
    Global scale 6 0.71 (0.61–0.82) 0.72 (0.64–0.79) 2.30
ETI-SF
    General trauma subscale 2 0.64 (0.53–0.76) 0.73 (0.66–0.80) 2.77
    Physical abuse subscale 2 0.62 (0.39–0.85) 0.89 (0.85–0.94) 1.93
    Emotional abuse subscale 3 0.76 (0.56–0.97) 0.96 (0.93–0.99) 1.38
    Sexual abuse subscale 1 0.77 (0.57–0.97) 0.94 (0.91–0.98) 1.39
    Global scale 4 0.69 (0.58–0.79) 0.78 (0.71–0.85) 2.13

ETI-SR indicates Early Trauma Inventory—self-report; ETI-SF, Early Trauma Inventory—short-form; CI, confidence interval; NND, number needed to diagnose.