Table 3

Agreement and accuracy of HCU findings between family doctors and expert diagnosis in the overall series (n=1312 patients)

HCU expert diagnosisn (%)κ (95% CI)Sensitivity (95% CI)Specificity (95% CI)PPV (95% CI)NPV (95% CI)
AS*72 (5.5)0.53 (0.39–0.63)50.0 (36.1 to 64.0)98.1 (97.0 to 99.1)49.2 (35.3 to 63.0)98.1 (97.2 to 99.0)
AR*51 (3.9)0.61 (0.50 to 0.74)58.3 (43.3 to 73.3)99.0 (98.3 to 99.6)68.3 (52.8 to 83.8)98.4 (97.7 to 99.1)
MR*79 (5.6)0.65 (0.56 to 0.74)72.7 (61.2 to 84.2)97.7 (96.8 to 98.6)62.3 (50.9 to 73.8)98.5 (97.8 to 99.3)
MS*8 (0.6)0.29 (0.9 to 0.47)62.8 (22.7 to 100)98.1 (97.3 to 98.9)18.7 (1.9 to 31.7)99.8 (99.5 to 100)
TR*54 (4.1)0.42 (0.25 to 0.59)41.4 (21.7 to 61.0)98.9 (98.3 to 99.5)46.2 (25.1 to 67.2)98.7 (98.0 to 99.3)
HCM9 (0.6)0.53 (0.23 to 0.83)44.4 (6.4 to 82.5)99.8 (99.6 to 100)66.7 (20.6 to 100)99.6 (99.2 to 99.9)
LV dysf51 (3.9)0.51 (0.37 to 0.62)50.0 (30.4 to 69.6)92.7 (91.3 to 94.2)13.9 (6.9 to 20.8)98.7 (98.1 to 99.4)
LVH*164 (12.5)0.70 (0.60 to 0.78)71.4 (63.1 to 79.7)97.4 (96.7 to 98.6)74.4 (66.2 to 82.6)97.0 (96.0 to 98.0)
LA dil*41 (3.1)0.38 (0.24 to 0.50)41.5 (25.2 to 57.8)97.7 (96.8 to 98.6)37.0 (21.9 to 52.0)98.1 (97.3 to 98.9)
AA dilat122 (9.3)0.54 (0.43 to 0.71)54.1 (37.1 to 70.2)99.1 (98.4 to 99.6)64.5 (45.4 to 80.2)98.7 (97.8 to 99.2)
  • *Moderate or severe lesion.

  • AA, aortic root or proximal ascending aorta; AR, aortic regurgitation; AS, aortic stenosis; HCM, hypertrophic cardiomyopathy; HCU, hand-held cardiac ultrasound; LA, left atrial; LV, left ventricle; LVH, left ventricular hypertrophy; MR, mitral regurgitation; MS, mitral stenosis; n, number of diseases diagnosed by experts; NPV, negative predictive value; PPV, positive predictive value; TR, tricuspid regurgitations.