Table 1. Summary of multivariate search and model development.

	Unexplained between ROI variability in MXF abundance	P value
Base model – no predictors	44.0%
With relative distance from lesion border	28.2%	3.0*10−6 (****)
With fraction histiocytes (%)	20.0%	5.2*10−4 (****)
With fraction necrosis (%) (df = 3)	18.9%	0.05 (*)
With fraction lymphocytes, neutrophils, epithelial cells	14%	ns

df: degree of freedom; ns: not significant.