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. 2015 Jan 27;13:18. doi: 10.1186/s12967-014-0372-1

Table 3.

Correlations among body composition evaluated by BIA, PASI score and CRP levels in psoriatic patients

PASI score CRP levels
r p values r p values
R (Ω) 0.131 0.375 0.093 0.529
Xc (Ω) −0.427 0.002 −0.345 0.016
PA (°) −0.425 0.003 −0.264 0.070
R/H (Ω/m) 0.153 0.288 0.115 0.422
Xc/H (Ω/m) −0.184 0.201 −0.127 0.373
Na/K ratio 0.011 0.941 0.232 0.112
BCMI −0.331 0.022 −0.191 0.193
FM (Kg) 0.740 <0.001 0.150 0.307
FM (%) 0.652 <0.001 0.242 0.098
FFM (Kg) 0.052 0.725 −0.125 0.399
FFM (%) −0.652 <0.001 −0.242 0.098
BCM (Kg) −0.342 0.017 −0.201 0.170
BCM (%) −0.423 0.003 −0.250 0.086
SMM (Kg) −0.322 0.026 −0.196 0.181
SMM (%) −0.509 <0.001 −0.251 0.085
TBW (Lt) 0.051 0.732 −0.125 0.397
TBW (%) −0.652 <0.001 −0.242 0.098
ECW (Lt) 0.467 0.001 0.158 0.284
ECW (%) 0.408 0.004 −0.029 0.847
ICW (Lt) −0.228 0.119 −0.213 0.146
ICW (%) −0.408 0.004 −0.303 0.037

Correlation among BIA parameters, PASI score and CRP levels were performed using Pearson r correlation coefficient. BIA, Bioelectrical impedance analysis; PASI, Psoriasis Area Severity Index; CRP, C-reactive protein; R, Resistance (Ω = ohm); Xc, Reactance (Ω = ohm); PA, Phase Angle (° = degrees); R/H, Resistance standardized by Height (Ω/m = ohm/meters); Xc/H, Reactance standardized by Height (Ω/m = ohm/meters); Na/K, Sodium/Potassium; BCMI, Body Cell Mass Index; FM, Fat Mass; FFM, Fat-Free Mass; BCM, Body Cell Mass; SMM Skeletal Muscle Mass; TBW, Total Body Water; ECW, Extra-Cellular Water; ICW,Intra-Cellular Water.