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Table 3 Concordance of the main findings between PSID and standard echo machine.

From: Improved cardiovascular diagnostic accuracy by pocket size imaging device in non-cardiologic outpatients: the NaUSiCa (Naples Ultrasound Stethoscope in Cardiology) study

Pathologic Finding K Overall
(n = 304)
K Experts
(n = 102)
K Beginners
(n = 202)
Overall 0.67 0.84 0.58
↓ LV EF 0.89 0.91 0.87
↑ wall thickness 0.9 0.91 0.88
LA dilation 0.77 0.88 0.68
AO root dilation 0.95 1 0.91
RV dilation 0.87 0.9 0.81
IVC Dilation 0.96 1 0.79
Valve calcification 1 1 1
Pericardial effusion 1 1 1
Pleural effusion 1 1 1
ULC 0.94 1 0.91
MR 0.9 0.95 0.87
AR 0.94 1,00 0.91
TR 0.93 0.95 0.92
  1. Comparison K Experts vs. Beginners by Mantel-Haenszel test
  2. AO = Aortic, AR = Aortic regurgitation, EF = Ejection fraction, IVC = Inferior vena cava, LV = Left ventricular, MR = Mitral regurgitation, RV = Right ventricular, TR = Tricuspid regurgitation, ULC = Ultrasound lung comets