Table 3 nvUS flow characteristics in patients with AR
Flow characteristic | No AR (n, %) N = 838 | Minimal AR (n, %) N = 100 | Mild AR (n, %) N = 282 | Moderate AR (n, %) N = 96 | Severe AR (n, %) N = 4 | P value |
|---|---|---|---|---|---|---|
Bisferious pulse CCA | 5 (0.6) | 0 (0) | 40 (14.2) | 21 (21.9) | 1 (25) | < 0.001 |
Bisferious pulse ICA | 2 (0.2) | 1 (1) | 27 (9.6) | 18 (18.8) | 1 (25) | < 0.001 |
Bisferious pulse CCA + ICA | 0 (0) | 0 (0) | 7 (2.5) | 5 (5.2) | 1 (25) | < 0.001 |
Zero diastole CCA | 1 (0.1) | 0 (0) | 6 (2.1) | 5 (5.2) | 2 (50) | < 0.001 |
Zero diastole ICA | 0 (0) | 0 (0) | 0 (0) | 1 (1) | 0 (0) | 0.076 |
Zero diastole CCA + ICA | 0 (0) | 0 (0) | 0 (0) | 1(1) | 0 (0) | 0.076 |
Diastolic reversal CCA | 2 (0.2) | 0 (0) | 28 (9.9) | 12 (12.5) | 2 (50) | < 0.001 |
Diastolic reversal ICA | 1 (0.1) | 0 (0) | 14 (5) | 8 (8.3) | 1 (25) | < 0.001 |
Diastolic reversal CCA + ICA | 0 (0) | 0 (0) | 3 (1.1) | 3 (3.1) | 1 (25) | < 0.001 |
No dicrotic notch CCA | 1 (0.1) | 0 (0) | 44 (15.6) | 30 (31.3) | 1 (25) | < 0.001 |
No dicrotic notch ICA | 0 (0) | 0 (0) | 3 (1.1) | 11(11.5) | 0 (0) | < 0.001 |
No dichrotic notch CCA + ICA | 0 (0) | 0 (0) | 1 (0.4) | 7 (7.3) | 0 (0) | < 0.001 |