From: Grading diastolic function by echocardiography: hemodynamic validation of existing guidelines
 | Normal | Grade 1 | Grade 2 | Grade 3 | P value |
---|---|---|---|---|---|
N | 55 | 132 | 156 | 117 | - |
Age | 51.4 ± 13.1 | 66.0 ± 12.0 | 62.7 ± 11.5 | 64.8 ± 14.4 | <0.001 |
Male Gender | 35/55 (63.6 %) | 85/132 (64.4 %) | 95/156 (60.9 %) | 66/117 (56.4 %) | 0.54 |
White Race | 42/53 (79.2 %) | 105/130 (80.8 %) | 122/153 (79.7 %) | 89/115 (77.4 %) | 0.93 |
Cath indication | Â | Â | Â | Â | <0.001 |
 CAD | 45 (81.8 %) | 62 (47.0 %) | 103 (66.0 %) | 37 (31.6%) |  |
 Aortic stenosis | 0 (0.0 %) | 21 (15.9 %) | 12 (7.7 %) | 20 (17.1 %) |  |
 LV dysfunction | 6 (10.9 %) | 28 (21.2 %) | 26 (16.7 %) | 38 (32.5%) |  |
 LV hypertrophy | 3 (5.5 %) | 21 (15.9 %) | 13 (8.3 %) | 18 (15.4%) |  |
 Other | 1 (1.8 %) | 0 (0.0 %) | 2 (1.3 %) | 4 (3.4 %) |  |
BMI | 28.4 (23.1-32.3) | 28.8 (25.2-31.2) | 27.3 (24.6-31.2) | 28.9 (25.3-32.9) | 0.39 |
BNP | 34 (18-117) | 77 (30-180) | 108 (29-298) | 210 (83-556) | <0.001 |
LVEF | 58 % (53-64 %) | 60 % (50-66 %) | 57 % (51-63 %) | 51 % (38-60 %) | <0.001 |
LA volume index | 23.7 (18.4-30.7) | 26.1 (18.7-34.2) | 26.5 (21.2-36.2) | 35.4 (25.3-47.4) | <0.001 |
E/A ratio | 1.5 (1.2-1.8) | 0.70 (0.61-0.79) | 1.0 (0.8-1.2) | 1.2 (0.9-2.0) | 0.011 |
E/e’ ratio | 7.0 (6.3-8.8) | 8.3 (6.8-11.5) | 10.4 (9.2-11.9) | 15.7 (12.7-20.5) | <0.001 |
DT | 182 (161-209) | 250 (216-296) | 190 (174-220) | 160 (145-207) | <0.001 |
Systolic BP | 127 (119-146) | 139 (126-159) | 140 (124-156) | 138 (119-156) | 0.012 |
Tau | 43.8 (35.7-53.5) | 51.3 (41.5-60.2) | 44.8 (37.6-54.4) | 47.5 (38.9-59.6) | 0.003 |
LVEDP | 16.0 (10.0-20.0) | 14.0 (11.0-18.0) | 14.0 (10.0-18.0) | 18.0 (12.0-24.0) | <0.001 |