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Table 1 Participants’ clinical characteristics

From: Value of appendicular skeletal muscle mass to total body fat ratio in predicting obesity in elderly people: a 2.2-year longitudinal study

 Non obesityNew obesity
Male (n = 250)Female (n = 172)Male (n = 15)Female (n = 9)
Age (years)63.8 (4.1)63.5 (3.4)64.4 (5.2)62.4 (2.5)
Smoking history (n,%)146 (58.4)12 (7.0)9 (60.0)1 (11.1)
BMI (kg/m2)24.08 (1.94)23.54 (2.21)26.46 (0.91)**26.32 (0.74)††
Follow-up BMI (kg/m2)24.21 (2.00)23.67 (2.14)27.83 (0.41)**28.12 (0.45)††
WHR0.94 (0.04)0.83 (0.04)0.97 (0.03)*0.86 (0.01)††
Follow-up WHR0.95 (0.04)0.84 (0.03)0.99 (0.05)**0.89 (0.02)††
ASM (kg)25.03 (6.11)18.45 (2.48)27.33 (2.46)18.72 (2.24)
Follow-up ASM (kg)25.11 (2.66)18.36 (1.78)28.07 (2.94)**19.83 (1.99)
TBF (kg)16.15 (3.77)17.94 (3.64)20.59 (3.21)**22.22 (2.55)
Follow-up TBF (kg)16.53 (3.74)18.52 (3.44)22.15 (3.56)**25.27 (2.08)††
ASM/TBF (%)1.67 (0.76)1.07 (0.27)1.36 (0.23)0.84 (0.06)††
Follow-up ASM/TBF (%)1.61 (0.47)1.02 (0.18)1.32 (0.37)*0.79 (0.05)††
Albumin (g/L)45.15 (2.59)45.44 (2.45)44.71 (3.02)46.94 (2.03)
Follow-up albumin (g/L)44.73 (2.45)44.79 (2.67)44.08 (2.71)46.08 (2.51)
DM (n, %)49 (19.6)38 (22.1)3 (20.0)1 (11.1)
  1. Continuous data were shown as mean (SD) and categorical data were n (%)
  2. Abbreviations: BMI body mass index; WHR waist-hip ratio; AS appendicular skeletal muscle mass; TBF total body fat; DM diabetes mellitus
  3. Non obesity versus New obesity: Male: *P < 0.05, **P < 0.001; Female: P < 0.05, ††P < 0.001
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