Agreement of detection of major abnormalities in 217 patients between the OptiGo and a standard echocardiography system
| SE system | |||
|---|---|---|---|
| Abnormal | Normal | ||
| Data are the absolute number of patients. | |||
| Agreement 98%, κ = 0.95, sensitivity 95% (95% confidence interval (CI) 0.91 to 0.91)), specificity 100% (95% CI 0.97 to 0.97), positive predictive value 100% (95% CI 0.96 to 0.96), negative predictive value 96% (95% CI 0.93 to 0.93). | |||
| HCU, hand carried cardiac ultrasound; normal, no abnormalities or minor abnormalities; SE, standard echocardiography. | |||
| HCU device | Abnormal | 92 | 0 |
| Normal | 5 | 120 | |