Cardiac structural variables compared between BSA categories (mean±SD; range)
| Group 1 | Group 2 | Group 3 | |
|---|---|---|---|
| BSA>2.3 m2 (n=99) | BSA 2–2.29 m2 (n=243) | BSA<1.99 m2 (n=491) | |
| Aortic diameter (mm) | 30±2* (25–35) | 28±2** (23–39) | 26±2 (19–33) |
| LA (mm) | 37±4* (28–48) | 35±3** (26–47) | 32±4 (21–42) |
| LA area (mm2) | 223±4* (14–33) | 20±3** (13–31) | 18±4 (10–30) |
| LA volume (ml) | 66±17* (23–103) | 58±15** (26–118) | 46±12 (18–96) |
| Right atrial area (mm2) | 20±3* (12±28) | 18±3** (12–28) | 15.6±5.8 (8–26) |
| Right ventricular internal diameter in diastole (mm) | 22±5* (14–40) | 19±4** (4–34) | 17±3 (9–32) |
| Interventricular septum thickness in diastole (mm) | 10±1* (7–13) | 9±01** (7–12) | 9±1 (6–12) |
| Posterior wall thickness in diastole (mm) | 9±1* (7–13) | 9±1** (6–11) | 8±1 (5–11) |
| LVID in diastole (mm) | 57±3* (48–63) | 55±3** (42–65) | 52±4 (40–62) |
| LVID in systole (mm) | 40±5* (26–50) | 39±4** (27–47) | 37±4 (25–62) |
| LV end diastolic volume (ml) | 155±30* (88–271) | 133±23** (68–216) | 114±22 (11–196) |
| LVE end systolic volume (ml) | 50±12* (22–111) | 45±10** (21–76) | 38±10 (14–98) |
| LV mass (g) | 223±39* (140–348) | 190±28** (123–286) | 157±30 (66–241) |
*Significant difference between BSA>2.3 m2 and other two groups (p<0.05).
**Significant difference between BSA 2–2.29 m2 and BSA<1.99 m2 (p<0.05).
LA, left atrial diameter; LVID, left ventricular internal diameter.