HYPHYCA: a prospective study in 613 patients conducting a comprehensive analysis for predictive factors of physiological 18F-FDG anal uptake

EJNMMI Research

Table 4 Logistic regression analysis of risk factors for anal canal hypermetabolism

Parameter	Value	Standard error	Wald chi-square	Pr > chi²
Intercept	− 4.340	0.544	63.547	< 0.0001
BMI (kg/m²)	0.155	0.020	60.051	< 0.0001
Gender—male	0.392	0.181	4.688	0.030
Hemorrhoid history	0.493	0.205	5.790	0.016
Rectal content --1 (feces)	0.666	0.259	6.587	0.010
Rectal content— 2 (air and feces)	− 0.043	0.220	0.038	0.846
Rectal content— empty	0.039	0.278	0.020	0.888