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Table 5 An inverse correlation between normalised concentrations and subject BMI/weight (kg)

From: Association between body mass index (BMI) and [123I]Ioflupane (DaTSCAN) availabilities in patients with parkinsonism using single-photon emission computed tomography–computed tomography (SPECT-CT)

 

NC within VOIs

F

RC

RAP

RPP

LC

LAP

LPP

OB

T

M

P

BMI (r)

           

A

− 0.570**

− 0.422**

− 0.377**

− 0.463**

− 0.439**

− 0.540**

− 0.415**

− 0.516**

− 0.286*

− 0.425**

− 0.552**

B

− 0.656*

− 0.711**

− 0.545*

− 0.581*

− 0.375

− 0.572*

− 0.765**

− 0.682**

− 0.096

− 0.124

− 0.558*

S

− 0.813**

− 0.533

− 0.558

− 0.195

− 0.440

− 0.595

− 0.696*

− 0.502

− 0.133

− 0.524

− 0.651*

Weight (r)

           

A

− 0.687**

− 0.525**

− 0.474**

− 0.575**

− 0.543**

− 0.591**

− 0.461**

− 0.689**

− 0.364*

− 0.564**

− 0.640**

B

− 0.622*

− 0.615*

− 0.563*

− 0.542*

− 0.395

− 0.494

− 0.530

− 0.448

− 0.056

− 0.124

− 0.452

S

− 0.941**

− 0.740**

− 0.730*

− 0.296

− 0.607*

− 0.746**

− 0.747**

− 0.738**

− 0.367

− 0.764**

− 0.793**

  1. Significance represented at either 0.05 level* or 0.01 level**
  2. NC = Normalised concentration; VOI = volume of interest (F = frontal; RC = right caudate; RAP = right anterior putamen; RPP = right posterior putamen; LC = left caudate; LAP = left anterior putamen; LPP = left posterior putamen; OB = occipital background; T = thalamus; M = midbrain; P = pons); r = Pearson correlation; A = abnormal scan group; B = borderline scan group; S = scan without evidence of dopaminergic deficit group