Table 3 Ability of miniaturized echocardiographic system to diagnose clinical problems in a population of 151 patients
Number of patients | Se, percentage (95% CI) | Sp, percentage (95% CI) | PPV, percentage (95% CI) | NPV, percentage (95% CI) | κ (95% CI) | |
|---|---|---|---|---|---|---|
Left ventricle | ||||||
Left ventricular ejection fraction < 50% | 28 | 86 (69-94) | 99 (96-100) | 96 (80-99) | 97 (93-99) | 0.89 (0.79-0.98) |
Left ventricular dilation | 8 | 94 (61-99) | 96 (91-98) | 57 (32-79) | 100 (97-100) | 0.70 (0.48-0.93) |
Left ventricular hypertrophy | 26 | 77 (58-89) | 97 (92-99) | 83 (64-93) | 95 (90-98) | 0.76 (0.62-0.90) |
Right ventricle | ||||||
Right ventricular dilation, cutoff of 0.6 | 21 | 59 (39-77) | 98 (94-99) | 87 (62-96) | 93 (87-96) | 0.66 (0.47-0.85) |
Severe right ventricular dilation, cutoff of 1 | 12 | 92 (65-98) | 99 (95-100) | 85 (59-96) | 99 (96-100) | 0.87 (0.72-1) |
Pericardum | ||||||
Pericardial effusion | 11 | 91 (62-89) | 96 (92-98) | 67 (42-85) | 99 (96-100) | 0.75 (0.55-0.95) |
Compressive pericardial effusion | 2 | 100 (34-100) | 100 (97-100) | 100 (34-100) | 100 (97-100) | 1 (1-1) |
Inferior vena cava (IVC) | ||||||
IVC dilation | 20 | 85 (64-96) | 100 (97-100) | 97 (78-100) | 98 (93-99) | 0.90 (0.80-1.00) |
Respiratory variations of IVC size in SB patients | 61 | 97 (89-99) | 87 (67-95) | 95 (87-98) | 91 (71-97) | 0.84 (0.71-0.98) |