| Total N = 2084 | BMI < 18.5 N = 71 | BMI 18.5 ~ < 24 N = 1045 | BMI 24~ ≥ 35 N = 968 | p value |
---|---|---|---|---|---|
ALN metastasis on MRI |  |  |  |  | < 0.01†|
 Yes | 893 (42.9) | 13 (18.3) | 394 (37.7) | 486 (50.2) |  |
 No | 1191 (57.1) | 58 (81.7) | 651 (62.3) | 482 (49.8) |  |
ALN metastasis on pathology | Â | Â | Â | Â | 0.09 |
 Yes | 738 (35.4) | 22 (31.0) | 350 (33.5) | 366 (37.8) |  |
 No | 1346 (64.6) | 49 (69.0) | 695 (66.5) | 602 (62.2) |  |
MRI diagnostic performance | |||||
 Sensitivity (%) | 63.7 | 40.9 | 58.3 | 70.2 | < 0.01†|
 Specificity (%) | 68.6 | 91.8 | 72.7 | 62.0 | < 0.01†|
 PPV (%) | 52.6 | 69.2 | 51.8 | 52.9 | 0.46 |
 NPV (%) | 77.5 | 77.6 | 77.6 | 77.4 | 1.00 |
 Accuracy (%) | 66.8 | 76.1 | 67.8 | 65.1 | 0.10 |