Best MRI sequences for identifying axillary lymph node markers in patients with metastatic breast cancer: an inter-reader observational study

European Radiology Experimental

Table 2 Odds ratios for the visualization of markers on the different images evaluated

Sequence 1/sequence 2	Odds ratio	p value	Lower limit of confidence interval	Lower limit of confidence interval
T2-FO/CE-SPGR	0.0	0.001*	0.004	0.216
T2-FO/SPGR	0.1	0.027*	0.011	0.759
CE-SPGR/SPGR	3.3	0.009*	1.360	8.168
T2-FO/T2-WO	0.0	< 0.001*	0.002	0.138
CE-SPGR/T2-WO	0.6	0.252	0.302	1.368
SPGR/T2-WO	0.2	< 0.001*	0.079	0.470
CE-SPGR/T2-FO	36	0.001*	4.633	279.721
SPGR/T2-FO	10.8	0.027*	1.318	88.506
SPGR/CE-SPGR	0.3	0.009*	0.122	0.735
T2-WO/T2-FO	56	< 0.001*	7.228	433.896
T2-WO/CE-SPGR	1.6	0.252	0.731	3.3106
T2-WO/SPGR	5.2	< 0.001*	2.130	12.624

CE-SPGR First contrast-enhanced fat-suppressed three-dimensional T1-weighted spoiled gradient-recalled images, SPGR Unenhanced fat-suppressed three-dimensional T1-weighted spoiled gradient-recalled images, T2-FO T2-weighted fat-only fast-spin-echo images, T2-WO T2-weighted water-only fast spin-echo images. *Statistically significant