Echocardiographic measurements in patients with RA and non-RA subjects
| Measurement | RA (n) | RA (n=244) | Non-RA (n) | Non-RA* (n=1448) | p Value |
|---|---|---|---|---|---|
| Diastolic dysfunction (any) | 76 (31) | 449 (26) | 0.006 | ||
| None | 118 (48) | 709 (57) | |||
| Mild | 56 (23) | 261 (15) | |||
| Moderate/severe | 20 (8) | 188 (11) | |||
| Indeterminate | 50 (20) | 290 (17) | |||
| Left atrial volume index (ml/m2) | 199 | 26.0±6.4 | 1393 | 22.9±7.2 | <0.001 |
| >28 ml/m2 | 60 (30) | 344 (19) | <0.001 | ||
| Tricuspid regurgitant jet velocity (m/s) | 171 | 2.43±0.27 | 932 | 2.33±0.33 | <0.001 |
| E/A ratio | 233 | 1.76±0.59 | 1420 | 1.09±0.37 | <0.001 |
| E/E′ ratio | 237 | 9.5±4.2 | 1426 | 10.2±4.3 | 0.010 |
| Pulmonary artery pressure (mm Hg) | 146 | 29.7±6.3 | 932 | 22.1±5.4 | <0.001 |
| LV mass index (g/m2) | 200 | 83.1±15.6 | 1071 | 88.3±20.4 | 0.001 |
| Ejection fraction (%) | 244 | 61.8±6.4 | 1435 | 64.8±6.6 | <0.001 |
| <50% | 4 (2) | 35 (2) | 0.76 |
* All reported percentages are adjusted to the age and sex distribution of the patients with RA.
A, velocity at atrial contraction; E, mitral inflow peak early filling velocity; LV, left ventricular; RA, rheumatoid arthritis.