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Table 9 PPV and NPV of LA parameters when applied to populations with AF prevalence of 1% or 20%

From: Left atrial morpho-functional remodeling in atrial fibrillation assessed by three dimensional speckle tracking echocardiography and its value in atrial fibrillation screening

Parameters

Prevalence 1%

Prevalence 20%

PPV(95%CI)

NPV(95%CI)

PPV(95%CI)

NPV(95%CI)

LAVImax(ml/m2)

2.3 (1.5 ~ 3.4)

99.5 (99.3 ~ 99.6)

36.3 (29.7 ~ 43.6)

88.4 (85.8 ~ 90.6)

LAVmin(ml)

2.6 (1.8 ~ 3.8)

99.8 (99.7 ~ 99.9)

40.1 (34.3 ~ 46.2)

95.2 (92.8 ~ 96.8)

LAEF(%)

4.4 (2.4 ~ 7.8)

99.6 (99.5 ~ 99.7)

53.3 (43.2 ~ 63.1)

91.8 (89.6 ~ 93.6)

aLAEF(%)

3.3 (2.0 ~ 5.4)

99.6 (99.5 ~ 99.7)

46.0 (37.5 ~ 54.6)

91.2 (88.8 ~ 93.1)

LASrc(%)

3.9 (2.3 ~ 6.6)

99.7 (99.6 ~ 99.8)

50.4 (41.4 ~ 59.3)

93.0 (90.8 ~ 94.7)

LAStc(%)

4.5 (2.4 ~ 8.3)

99.6 (99.4 ~ 99.7)

53.5 (42.6 ~ 64.1)

90.2 (88.1 ~ 92.0)

  1. PPV Positive predictive value, NPV Negative predictive value