Table 6. Sensitivity and specificity of the selected criteria to detect echocardiographic impairment.

Criteria	Sensitivity (95%CI)	Specificity (95%CI)	Positive predictive value	Negative predictive value	Likelihood negative ratio (95%CI)	Likelihood positive ratio (95%CI)
Abnormal EKG	69.2% (48.2–85.7%)	70.6% (66–74.8%)	12.5% (7.58–19%)	97.4% (95–98.9%)	0.43 (0.24–0.77)	2.35 (1.75–3.16)
Female >45 years	44.44% (6.43–82.46)	75.47% (70.61–80.32)	4.82% (0–10.03)	97.98%(96.03–99.93)	0.74 (0.41–1.32)	1.81 (0.85–3.85)
Male >30 years	88.89% (71.59–100%)	24.26% (16.69–31.84%)	13.45% (6.9–19.99%)	94.29% (85.17–100%)	0.46 (0.12–1.75)	1.17 (0.97–1.42)
Female >45 years old or any EKG findings suggestive of CC	100% (94.44–100)	57.65 (51.96–63.34)	6.47 (2.02–10.93)	100%(99.72–100)	0	2.36 (2.07–2.69)
Male >30 years old or any EKG findings suggestive of CC	100% (97.22–100)	15.67% (9.14–22.2%)	13.74% (7.46–20.02%)	100% (97.62–100%)	0	1.19 (1.1–1.28)

Note: 95% CI, 95% confidence interval.