Machine learning-based multiparametric MRI radiomics for predicting poor responders after neoadjuvant chemoradiotherapy in rectal Cancer patients

Table 2 Patients’ clinical characteristics

	Total	P	Training cohort (n = 129)	Validation cohort (n = 78)	P
Age (median, [interquartile range])	66, [55-69]	–	66, [56-70]	64, [51-68]	0.103
Sex
male	132	< 0.001	80	52	0.599
female	75		49	26
Response to nCRT
good responders	88	0.031	59	29	0.288
poor responders	119		70	49

ISSN: 1471-2407