Table 2.
Comparison of Left Ventricular Structure and Function in Patients with Rheumatoid Arthritis and Control Subjects
| Variable | Patients | Controls | P value |
|---|---|---|---|
| Septal Thickness (cm) | 0.87±0.13 | 0.84±0.12 | 0.107 |
| Posterior wall thickness (cm) | 0.76±0.12 | 0.76±0.12 | 0.945 |
| LV end-diastolic dimension (cm) | 4.92±0.38 | 4.64±0.42 | < 0.001 |
| LV end-systolic dimension (cm) | 2.93±0.32 | 2.91±0.36 | 0.688 |
| Relative wall thickness | 0.31±0.05 | 0.33±0.05 | 0.014 |
| LV mass (g) | 136.9±34.3 | 121.7±34.4 | 0.004 |
| LV mass index (g/m2) | 79.6±17.1 | 71.0±15.5 | 0.001 |
| LV hypertrophy (%) | 15.7 | 6.7 | 0.058 |
| LV mass index (g/m2.7) | 36.5±9.8 | 32.9±8.26 | 0.010 |
| LV hypertrophy (%) | 18.0 | 6.7 | 0.023 |
| Fractional shortening (%) | 41±4 | 37±5 | < 0.001 |
| Ejection fraction (%) | 71±5 | 67±6 | < 0.001 |
| Cardiac output (L/min) | 5.8±1.3 | 4.7±1.2 | < 0.001 |
| Cardiac index (L/min/m2) | 3.4±0.64 | 2.8±0.63 | < 0.001 |
| Heart rate (bpm) | 72±10 | 70±11 | 0.370 |
| Left atrium (cm) | 3.41±0.49 | 3.14±0.43 | < 0.001 |
| Aortic root (cm) | 2.93±0.30 | 2.86±0.34 | 0.118 |