From: Is B-mode ultrasound alone a sufficient screening tool for carotid stenosis? A pilot study
 | Elective ultrasound result |  | ||
---|---|---|---|---|
 | Positive (≥50%) | Negative (<50%) |  | |
Result of reinterpretation | Positive (≥50%) | 152 | 27 | 179 |
Negative (<50%) | 1 | 18 | 19 | |
 | 153 | 45 | 198 |