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. 2020 May 19;8:e9230. doi: 10.7717/peerj.9230

Table 1. Characteristics of the study subjects.

Normal weight (n= 23) Overweight (n= 28) Obese (n= 29) p value
Age (years)d 25 (20,31) 33 (25,42) 35 (32,42) <0.001*
Height (cm) 155.35 ± 5.47 154.86 ± 6.29 154.60 ± 4.63 0.89
Weight (kg) 49.19 ± 4.60 60.46 ± 6.12 74.40 ± 9.45 <0.001*
BMI (kg/m2) 20.40 ± 1.63 25.17 ± 1.32 31.07 ± 3.18 <0.001*
WHRd 0.81 (0.78, 0.85) 0.88c (0.84, 0.90) 0.91a (0.86, 0.96) <0.001*
PBF (%) 30.17 ± 5.23 37.91c± 5.80 44.01a,b± 4.75 <0.001*
BFM (kg) 14.93 ± 3.24 22.73c± 4.51 32.99a,b± 6.92 <0.001*
SMM (kg) 18.33 ± 2.19 20.37c± 3.39 22.54a,b± 2.64 <0.001*

Notes.

BMI
Body mass index
WHR
Waist-hip ratio
PBF
Percentage body fat
BFM
Body fat mass
SMM
Skeletal muscle mass
a

indicates significant difference between obese and normal weight groups.

b

indicates significant difference between obese and overweight groups.

c

indicates significant difference between overweight and normal weight groups.

d

indicates data is presented as median (25th, 75th percentiles); Data for others are presented as mean ± standard deviation.

*

indicates significant difference at p < 0.05.