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. 2024 Nov 25;14(23):2658. doi: 10.3390/diagnostics14232658

Table 4.

Regression models for all BCA parameters measured using portable BCA for children.

Parameters Coefficient Standard
Error
t Stat p-Value Multiple
R
R Square F Score Sig. F
BMI as a dependent variable (N = 200)
Intercept −0.833 2.894 −0.288 0.774 0.842 0.909 45.71 0.002
BF 0.417 0.086 4.834 0.000
FFM 0.358 0.196 1.827 0.071
TBW −0.090 0.201 −0.446 0.657
MM −0.139 0.124 −1.120 0.266
BM 7.654 2.986 2.563 0.012
BF% as a dependent variable (N = 200)
Intercept −3.081 3.082 −1.000 0.320 0.869 0.895 58.07 0.001
FFM 0.560 0.206 2.720 0.008
TBW 0.450 0.210 2.140 0.035
MM −0.116 0.133 −0.872 0.386
BM −0.390 3.305 −0.118 0.906
BMI 0.477 0.099 4.834 0.000
FFM as a dependent variable (N = 200)
Intercept 1.166 1.491 0.782 0.436 0.942 0.888 149.35 0.002
TBW 0.144 0.103 1.404 0.164
MM 0.413 0.048 8.562 0.000
BM 3.586 1.552 2.310 0.023
BMI 0.096 0.052 1.827 0.071
BF 0.130 0.048 2.720 0.008
TBW as a dependent variable (N = 200)
Intercept 12.052 0.813 14.819 0.000 0.889 0.891 70.97 0.001
MM 0.131 0.062 2.104 0.038
BM 6.467 1.437 4.499 0.000
BMI −0.024 0.053 −0.446 0.657
BF 0.103 0.048 2.140 0.035
FFM 0.142 0.101 1.404 0.164
MM as a dependent variable (N = 200)
Intercept −9.155 2.204 −4.153 0.000 0.893 0.897 73.75 0.003
BM −1.502 2.554 −0.588 0.558
BMI −0.095 0.085 −1.120 0.266
BF −0.069 0.080 −0.872 0.386
FFM 1.061 0.124 8.562 0.000
TBW 0.342 0.163 2.104 0.038
BM as a dependent variable (N = 200)
Intercept −0.194 0.095 −2.053 0.043 0.874 0.864 60.916 0.001
BMI 0.009 0.003 2.563 0.012
BF 0.000 0.003 −0.118 0.906
FFM 0.015 0.006 2.310 0.023
TBW 0.027 0.006 4.499 0.000
MM −0.002 0.004 −0.588 0.558