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Table 2 Differences of MMIs in the Chinese vs. Caucasians

From: The differences of sarcopenia-related phenotypes: effects of gender and population

  MMIs (kg/m2) Independent-samples t tests
Male Female Before adjustment for age After adjustment for age
Caucasians Chinese Caucasians Chinese Male Female Male Female
Legs 6.1 ± 0.6 5.9 ± 0.5 5.0 ± 0.5 4.7 ± 0.4 t(154) = −3.72, P = 0.0003 t(316) = −8.6, P < 0.0001 t(154) = −3.6, P = 0.0005 t(312) = −6.3, P < 0.0001
Arms 2.4 ± 0.3 1.9 ± 0.2 1.6 ± 0.2 1.3 ± 0.1 t(144) = −16.9, P < 0.0001 t(302) = −21.8, P < 0.0001 t(141) = −12.6, P < 0.0001 t(286) = −13.2, P < 0.0001
Extremities 8.5 ± 0.9 7.8 ± 0.7 6.6 ± 0.7 6.0 ± 0.5 t(151) = −8.6, P < 0.0001 t(310) = −13.0, P < 0.0001 t(150) = −7.2, P < 0.0001 t(303) = −8.8, P < 0.0001
  1. MMIs, muscle mass indexes, were expressed as mean ± SD