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. Author manuscript; available in PMC: 2015 May 22.
Published in final edited form as: J Electrocardiol. 2013 Mar 26;46(3):249–255. doi: 10.1016/j.jelectrocard.2013.02.006

Table 4.

Diagnostic performance of identified screening criteria for any non-septal scar.

Individual sensitivity,
% (cases, n/n)		 Individual specificity,
% (cases, n/n)
V2: S/S′ ≥ 1.5 OR 31 (5/16) 100 (22/22)
I: R/S ≤ 1 OR 19 (3/16) 95 (21/22)
aVL: R/S ≤ 0.5 OR 13 (2/16) 100 (22/22)
II: Q ≥ 30 ms OR 13 (2/16) 100 (22/22)
aVF: Q ≥ 40 ms 13 (2/15) 100 (22/22)
Cumulative diagnostic performance
Sensitivity % [95% CI] (cases, n/n) 75 [51–90] (12/16)
Specificity % [95% CI] (cases, n/n) 95 [78–99] (21/22)
PPV % [95% CI] (cases, n/n) 92 [67–99] (12/13)
NPV % [95% CI] (cases, n/n) 84 [65–94] (21/25)

CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value.