Menopausal | IRIS-positive | IRIS-negative | χ2 | P-value | Total | ||
Pre | TNBC | 14 (74%) | TNBC | 5 (26%) | 6.15 | 0.013 | 19 |
 | Non-TNBC | 9 (36%) | Non-TNBC | 16 (64%) |  | 25 | |
Post | TNBC | 14 (58%) | TNBC | 10 (42%) | 7.44 | 0.0064 | 24 |
 | Non-TNBC | 6 (21%) | Non-TNBC | 22 (79%) |  | 28 | |
Total | Â | 43 | Â | 53 | Â | Â | 96 |
Tumor size | IRIS-positive | IRIS-negative | χ2 | P-value |  | ||
≤5 cm | TNBC | 21 (91%) | TNBC | 2 (9%) | 28.46 | <0.000001 | 23 |
 | Non-TNBC | 9 (22%) | Non-TNBC | 32 (78%) |  | 41 | |
>5Â cm | TNBC | 12 (60%) | TNBC | 8 (40%) | 0.31 | 0.5809 | 20 |
 | Non-TNBC | 6 (50%) | Non-TNBC | 6 (50%) |  | 12 | |
Total | Â | 43 | Â | 53 | Â | Â | 96 |
Grade | IRIS-positive | IRIS-negative | χ2 | P-value |  | ||
1Â +Â 2 | TNBC | 23 (70%) | TNBC | 10 (30%) | 13.84 | 0.0002 | 33 |
 | Non-TNBC | 13 (28%) | Non-TNBC | 34 (72%) |  | 47 | |
3 | TNBC | 5 (62%) | TNBC | 3 (38%) | 0.63 | 0.4285 | 8 |
 | Non-TNBC | 2 (40%) | Non-TNBC | 3 (60%) |  | 5 | |
Total | Â | 43 | Â | 50 | Â | Â | 93 |
Stage | IRIS-positive | IRIS-negative | χ2 | P-value |  | ||
II | TNBC | 8 (80%) | TNBC | 2 (20%) | 7.25 | 0.0071 | 10 |
 | Non-TNBC | 9 (31%) | Non-TNBC | 20 (69%) |  | 29 | |
IIIÂ +Â IV | TNBC | 16 (67%) | TNBC | 8 (33%) | 7.14 | 0.0075 | 24 |
 | Non-TNBC | 6 (27%) | Non-TNBC | 16 (73%) |  | 22 | |
Total | Â | 39 | Â | 46 | Â | Â | 85 |
Lymph-node | IRIS-positive | IRIS-negative | χ2 | P-value |  | ||
Present | TNBC | 25 (76%) | TNBC | 8 (24%) | 17.28 | <0.000001 | 33 |
 | Non-TNBC | 7 (23%) | Non-TNBC | 23 (77%) |  | 30 | |
Absent | TNBC | 4 (40%) | TNBC | 6 (60%) | 0.29 | 0.5922 | 10 |
 | Non-TNBC | 7 (30%) | Non-TNBC | 16 (70%) |  | 23 | |
Total | Â | 43 | Â | 53 | Â | Â | 96 |