Non-invasive MR assessment of the microstructure and microcirculation in regional lymph nodes for rectal cancer: a study of intravoxel incoherent motion imaging

Table 2 Clinical features and pathological findings of primary tumour versus lymph node status in 116 patients

parameter	total	lymph node status		P
parameter	total	N⁻	N⁺	P
Age (mean ± SD years)	59.78 ± 11.00	61.15 ± 10.80	57.92 ± 11.11	0.119^a
Sex				0.191^b
Male	65	34	31
Female	51	33	18
Primary tumour location				0.007^c
Upper rectum	32	13	19
Mid rectum	54	30	24
Distal rectum	30	24	6
Pathologic T staging				< 0.001^c
Tis	2	2	0
T1	5	5	0
T2	27	22	5
T3	31	20	11
T4	51	18	33
Histologic grade				< 0.001^c
Well	10	10	0
Moderate	69	55	14
Poor	37	2	35

ISSN: 1470-7330