Table 3 Segmental bioimpedance variables in CN, MCI due to AD, and AD dementia groups upon controlling for age, sex, and GDS score.

From: Reduced body cell mass and functions in lower extremities are associated with mild cognitive impairment and Alzheimer’s dementia

Variables

Total (n = 518)1

CN (n = 365)1

MCI due to AD (n = 123)1

AD dementia (n = 30)1

MCI due to AD versus CN

AD dementia versus MCI due to AD

AD dementia versus CN

\(\overline{\Delta }\)(95% CI)

\(\Gamma\)

\(\overline{\Delta }\)(95% CI)

\(\Gamma\)

\(\overline{\Delta }\)(95% CI)

\(\Gamma\)

Water_Lean_upper

0.779 (0.002)

0.779 (0.002)

0.779 (0.002)

0.779 (0.002)

0.000 (− 0.000, 0.001)

0.09

 − 0.000 (− 0.001, 0.001)

0.08

0.000 (− 0.001, 0.001)

0.00

Water_Lean_lower

0.783 (0.002)

0.783 (0.002)

0.784 (0.003)

0.785 (0.002)

0.001 * (0.000, 0.001)

0.29

0.000 (− 0.001, 0.001)

0.15

0.001 (− 0.000, 0.002)

0.44

ECW_ICW_upper

0.613 (0.010)

0.612 (0.010)

0.614 (0.011)

0.616 (0.009)

0.000 (− 0.002, 0.003)

0.04

0.001 (− 0.004, 0.005)

0.09

0.001 (− 0.003, 0.006)

0.13

ECW_ICW_lower

0.661 (0.024)

0.657 (0.023)

0.668 (0.026)

0.675 (0.021)

0.006 * (0.001, 0.011)

0.30

0.002 (− 0.008, 0.012)

0.10

0.008 (− 0.001, 0.018)

0.41

R_upper

328 (48)

330 (48)

324 (46)

322 (52)

3.148 (− 5.337, 11.632)

0.09

2.498 (− 13.598, 18.594)

0.07

5.645 (− 9.861, 21.152)

0.17

R_lower

232 (33)

235 (33)

222 (33)

228 (36)

 − 7.377 (− 14.789, 0.036)

0.25

10.024 (− 4.039, 24.087)

0.34

2.648 (− 10.901, 16.196)

0.09

Xc_upper

29.6 (3.7)

29.9 (3.7)

29.1 (3.9)

28.3 (3.7)

 − 0.035 (− 0.900, 0.831)

0.01

 − 0.223 (− 1.865, 1.419)

0.07

 − 0.258 (− 1.840, 1.324)

0.08

Xc_lower

19.6 (4.0)

20.3 (3.8)

18.0 (4.0)

17.2 (3.3)

 − 1.245 ** (− 2.111, − 0.379)

0.37

0.084 (− 1.559, 1.727)

0.02

 − 1.161 (− 2.744, 0.421)

0.34

PA_upper

5.21 (0.61)

5.23 (0.61)

5.17 (0.62)

5.08 (0.58)

 − 0.058 (− 0.180, 0.065)

0.12

 − 0.070 (− 0.303, 0.163)

0.15

 − 0.128 (− 0.352, 0.097)

0.27

PA_lower

4.85 (0.82)

4.95 (0.81)

4.66 (0.83)

4.36 (0.68)

 − 0.169 * (− 0.337, − 0.001)

0.26

 − 0.171 (− 0.489, 0.148)

0.26

 − 0.340* (− 0.647, − 0.033)

0.51

  1. The methodological details are identical to those presented in the footer of Table 2. Bold text indicates a significant mean difference with p value < 0.05 and dominant effect sizes (Γ).
  2. ECW_ICW extracellular to intracellular water ratio; R resistance; Xc reactance; PA phase angle.
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