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Table 2 Point-of-care and standard echocardiographic data

From: Feasibility and diagnostic accuracy of point-of-care handheld echocardiography in acute ischemic stroke patients – a pilot study

  Point-of-care echocardiography Standard echocardiography Intraclass correlation coefficient
(95% CI)
Agreement coefficient κ
(95% CI)
Image quality, n (%)
Parasternal     0.73 (0.61–0.86)
Good 35 (45.5) 40 (51.3)   
Moderate 22 (28.6) 20 (25.6)   
Poor 20 (26.0) 18 (23.1)   
Apical     0.65 (0.50–0.79)
Good 32 (42.1) 39 (50.0)   
Moderate 26 (34.2) 25 (32.1)   
Poor 18 (23.7) 14 (17.9)   
Subcostal     0.79 (0.67–0.91)
Good 38 (48.7) 41 (52.6)   
Moderate 28 (35.9) 24 (30.8)   
Poor 12 (15.4) 13 (16.7)   
Left ventricular ejection fraction, %, mean (SD) 60.8 (7.2) 62.3 (5.6) 0.82 (0.71–0.89)  
Left ventricular ejection fraction, n (%)     0.63 (0.40–0.85)
< 30% 0 (0.0) 0 (0.0)   
30–44% 3 (3.9) 1 (1.3)   
45–55% 10 (13.2) 7 (9.1)   
> 55% 63 (82.9) 69 (89.6)   
Not measurable, n 2 1   
Left ventricular end-diastolic wall thickness (septum), mm, mean (SD) 10.8 (1.7) 10.7 (1.7) 0.84 (0.76–0.90)  
Left ventricular end-diastolic wall thickness (posterior wall) mm, mean (SD) 10.5 (1.7) 10.0 (1.7) 0.85 (0.72–0.92)  
Left ventricular end-systolic diameter, mm, mean (SD) 33.7 (6.4) 32.9 (7.1) 0.93 (0.87–0.96)  
Left ventricular end-diastolic diameter, mm, mean (SD) 49.8 (5.5) 50.0 (5.5) 0.86 (0.79–0.91)  
Aortic valve maximal systolic flow velocity, m/s, mean (SD) 1.5 (0.4) 1.5 (0.4) 0.92 (0.88–0.95)  
Pericardial effusion, n (%) 0 (0.0) 0 (0.0)   0.00 (0.00–0.00)
Pleural effusion, n (%) 1 (1.3) 1 (1.3)   0.39 (−0.14–0.92)
Atrial septum aneurysm, n (%) 3 (3.9) 4 (5.1)   0.69 (0.39–0.98)
Heart rate during examination, 1/min, mean (SD) 69.8 (10.7) 69.7 (11.9) 0.67 (0.52–0.78)  
  1. CI confidence interval, SD standard deviation