Short Physical Performance Battery and Incident Cardiovascular Events Among Older Women.
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Background The Short Physical Performance Battery (SPPB) is an inexpensive, reliable, and easy-to-implement measure of lower-extremity physical function. Strong evidence links SPPB scores with all-cause mortality, but little is known about its relationship with incident cardiovascular disease (CVD). Methods and Results Women (n=5043, mean age=797) with no history of myocardial infarction or stroke completed 3 timed assessments-standing balance, strength (5 chair stands), and usual gait speed (4 m walk)-yielding an SPPB score from 0 (worst) to 12 (best). Women were followed for CVD events (myocardial infarction, stroke, or CVD death) up to 6years. Hazard ratios were estimated for women with Very Low (0-3), Low (4-6), Moderate (7-9), and High (10-12) SPPB scores using Cox proportional hazard models adjusted for demographic, behavioral, and health-related variables including objective measurements of physical activity, blood pressure, lipids, and glucose levels. Restricted cubic splines tested linearity of associations. With 361 CVD cases, crude incidence rates/1000person-years were 41.0, 24.3, 16.1, and 8.6 for Very Low, Low, Moderate, and High SPPB categories, respectively. Corresponding fully adjusted hazard ratios (95% CIs) were 2.28 (1.50-3.48), 1.70 (1.23-2.36) 1.49 (1.12-1.98), and 1.00 (referent); P-trend <0.001. The dose-response relationship was linear (linear P<0.001; nonlinear P>0.38). Conclusions Results suggest SPPB may provide a measure of cardiovascular health in older adults beyond that captured by traditional risk factors. Because of its high test-retest reliability and low administrative burden, the SPPB should be a routine part of office-based CVD risk assessment.
Bellettiere, J., Lamonte, M. J., Unkart, J., Liles, S., Laddu-Patel, D., Manson, J. E., ... LaCroix, A. Z.
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Bellettiere, John||Lamonte, Michael J||Unkart, Jonathan||Liles, Sandy||Laddu-Patel, Deepika||Manson, JoAnn E||Banack, Hailey||Seguin-Fowler, Rebecca||Chavez, Paul||Tinker, Lesley F||Wallace, Robert B||LaCroix, Andrea Z
