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Table 2 Effects of sex in sarcopenic parameters and c-miRNAs

From: Circulating MicroRNA-486 and MicroRNA-146a serve as potential biomarkers of sarcopenia in the older adults

Total n=77

 

N

D

S

SMI

kg/m2

7.1±0.7

7.0±0.8

5.8±0.6+#

Grip strength

kg

29.0±7.5

17.5±5.2*

10.6±5.2+#

Gait speed

m/sec

1.09±0.21

1.04±0.27

0.64±0.12+#

c-miR-486

ratio

1.09±0.04

1.08±0.04

1.06±0.04+#

c-miR-133a

ratio

1.28 ±0.08

1.28±0.07

1.26±0.05

c-miR-146a

ratio

1.24±0.06

1.23±0.06

1.20 ±0.05#

c-miR-21

ratio

1.19±0.05

1.17±0.05

1.16±0.04

Female n=36

 SMI

kg/m2

6.9±0.7

7.0±0.6

5.6±0.61+#

 Grip strength

kg

28.3±8.6

17.8±5.6*

10.0±4.5+#

 Gait speed

m/sec

1.22±0.24

1.10±0.24

0.61±0.13+#

 c-miR-486

ratio

1.08±0.03

1.08±0.04

1.08±0.05

 c-miR-133a

ratio

1.28 ±0.05

1.28±0.06

1.28±0.1

 c-miR-146a

ratio

1.22±0.06

1.22±0.06

1.22 ±0.05

 c-miR-21

ratio

1.18±0.05

1.17±0.05

1.18±0.05

Male n=41

 SMI

kg/m2

7.2±0.8

7.0±0.9

6.0±0.6+#

 Grip strength

kg

30.1±6.9

17.2±4.9*

11.1±5.9+#

 Gait speed

m/sec

0.91±0.13

1.06±0.12

0.67±0.11+#

 c-miR-486

ratio

1.10±0.05

1.08±0.04

1.04±0.05

 c-miR-133a

ratio

1.28±0.06

1.28±0.11

1.24±0.05

 c-miR-146a

ratio

1.26±0.08

1.23±0.03

1.18±0.07

 c-miR-21

ratio

1.20±0.06

1.18±.003

1.14±0.07

  1. N normal group (n=24), DS decrease of strength group (n=35), S sarcopenia group (n=18), SMI skeletal muscle mass index, Values are mean ± standard deviation. *P < 0.05, N vs. D; +P < 0.05, D vs. S; # P < 0.05, N vs. S