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. 2017 Oct 20;5:e3943. doi: 10.7717/peerj.3943

Table 1. Participant characteristics.

Tai Chi group (28) Aerobic group (28) Control group (28)
Age, years 66.14 ± 3.40 65.36 ± 4.06 65.04 ± 3.33
Gender (women, n) 18 19 19
Weight, kg 59.68 ± 5.29 57.75 ± 7.09 58.75 ± 8.24
Height, cm 163.29 ± 5.68 162.00 ± 6.53 161.43 ± 6.89
BMI 22.39 ± 1.76 21.95 ± 1.78 22.51 ± 2.62
MMSE score 27.93 ± 0.66 27.93 ± 0.94 27.86 ± 0.80
Education, years 11.11 ± 1.85 11.14 ± 1.76 10.64 ± 1.68
Muscle strength, kg 28.83 ± 6.51 28.47 ± 5.62 25.08 ± 5.16*,#
6MWT, m 573.41 ± 13.08 575.94 ± 14.12 516.09 ± 14.50*,#
IPAQ, METs 2453.39 ± 486.03 2415.88 ± 610.81 426.84 ± 159.71*,#
TUG, s 6.03 ± 0.45 6.26 ± 0.68 6.68 ± 0.58**,##
cTUG, s 6.95 ± 0.54 6.96 ± 0.64 7.30 ± 0.67*
mTUG, s 6.29 ± 0.50 6.48 ± 0.55 7.03 ± 0.68**,##

Notes.

BMI
body mass index
MMSE
min mental state exam
IPAQ
International physical activity questionnaire
METs
metabolic equivalents
6MWT
six minute walk test
TUG
Time UP and GO
cTUG
TUG with crossing obstacle
mTUG
TUG with memory task
*

Represent the significant differences between the Tai Chi group and the control group, p < 0.05.

**

Represent the significant differences between the Tai Chi group and the control group, (p < 0.01).

#

Represent the significant differences between the brisk walking group and the control group, p < 0.05.

##

Represent the significant differences between the brisk walking group and the control group, p < 0.01.