Research Article

Impact of Serum Nutritional Status on Physical Function in African American and Caucasian Stroke Survivors

Table 1

Demographic, strength, and functional data in chronic stroke survivors.

African American
males
Caucasian
males
African American
females
Caucasian
females

Age (yrs)61 ± 1 (79)64 ± 1 (76)61 ± 1 (66)64 ± 2 (35)
BMI (kg/m2)29 ± 1 (79)28 ± 1 (76)29 ± 1 (66)26 ± 1**(35)
Total body fat (%)28 ± 1 (37)33 ± 1**(40)42 ± 1 (35)42 ± 1 (23)
aLM (kg)27 ± 1 (37)23 ± 1**(40)18 ± 1 (35)15 ± 1**(23)
Mid-thigh muscle area (cm2)82 ± 4 (22)65 ± 4**(19)50 ± 4 (21)44 ± 3*(16)
Mid-thigh fat area (cm2)57 ± 5 (22)67 ± 6 (19)135 ± 14 (21)100 ± 9 (16)
Mid-thigh LDLT area (cm2)22 ± 1 (22)24 ± 2 (19)22 ± 2 (21)18 ± 1 (16)
Six-min walk distance (m)248 ± 20 (39)213 ± 17 (38)210 ± 19 (34)174 ± 20 (23)
30-foot walk-self-selected pace (ft/sec)1.9 ± 0.2 (42)1.8 ± 0.1 (48)1.7 ± 0.1 (45)1.6 ± 0.2 (26)
30-foot walk-fastest pace (ft/sec)2.7 ± 0.2 (42)2.4 ± 0.2 (48)2.5 ± 0.2 (45)2.1 ± 0.2 (26)
Concentric torque at 30°/sec (Nm)41 ± 6 (24)32 ± 4 (24)29 ± 5 (26)21 ± 5 (17)
Eccentric torque at 30°/sec (Nm)84 ± 9 (24)74 ± 7 (24)57 ± 9 (26)42 ± 7 (17)
Concentric muscle quality (Nm/kg)4.5 ± 0.7 (19)4.2 ± 0.5 (18)4.0 ± 0.8 (22)4.0 ± 0.9 (16)
Eccentric muscle quality (Nm/kg)9.5 ± 1.0 (19)9.5 ± 0.9 (18)8.2 ± 1.2 (22)7.7 ± 1.4 (16)
VO2peak (mL/kg/min)16.3 ± 0.8 (47)15.6 ± 0.7 (46)11.6 ± 0.8 (42)12.1 ± 0.7 (24)

Mean ± SEM (). aLM: appendicular lean mass; LDLT: low density lean tissue. ; : significantly different from African American stroke survivors of the same sex.