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. Author manuscript; available in PMC: 2012 Sep 27.
Published in final edited form as: Circulation. 2011 Sep 6;124(13):1452–1460. doi: 10.1161/CIRCULATIONAHA.111.032920

Table 1.

Clinical and echocardiographic characteristics of participants with hemoglobin SS. Results are in mean (95% CI) unless otherwise indicated.

N Result
Age, years 483 36 (35, 37)
BMI (kg/m2) 473 24 (23, 24)
Female gender, n (%) 483 250 (52%)
LV end-diastolic dimension, mm 440 50 (49, 51)
LV mass index, g/m2 431 116 (113, 119)
LV ejection fraction, % 430 62 (61, 62)
Left atrial volume index, ml/m2 425 51 (49, 52)
Right atrial area, cm2 436 20 (19, 20)
Tricuspid regurgitation peak velocity, m/s 435 2.6 (2.5, 2.6)
E/A ratio 436 1.7 (1.7, 1.8)
Deceleration time, ms 439 197 (194, 200)
Isovolumic relaxation time, ms 437 85 (83, 86)
Lateral e′, cm/s 437 14.7 (14.3, 15.1)
Lateral a′, cm/s 435 8.5 (8.2, 8.7)
Lateral e′/a′ 435 2.0 (1.9, 2.1)
Lateral E/e′ ratio* 436 6.6 (6.3, 6.8)
*

Geometric mean (95% CI)