Table 2. Association of Vitamin D Status with Breast Carcinoma Characteristics.
†: Fisher's exact test, *: independent t-test
| Vitamin D <30 ng/mL (deficient) (n=43)% | Vitamin D >30 ng/mL (sufficient) (n=7)% | P value | |
| Age (years) | |||
| 21-30 | 3 (75%) | 1 (25%) | 0.763† |
| 31-40 | 6 (83.33%) | 1 (16.67%) | |
| 41-50 | 16 (88.88%) | 2 (11.12%) | |
| 51-60 | 7 (77.77%) | 2 (22.23%) | |
| >60 | 11 (91.66%) | 1 (8.34%) | |
| Mean ± SD | 51.49 ± 13.19 | 49.57 ± 17.6 | 0.735* |
| Side involved | |||
| Left | 22 (81.48%) | 5 (18.52%) | 0.429† |
| Right | 21 (91.30%) | 2 (8.70%) | |
| Tumor differentiation | |||
| Poorly differentiated | 20 (100%) | 0 (0%) | 0.011† |
| Moderately differentiated | 16 (84.21%) | 3 (15.79%) | |
| Well differentiated | 7 (63.63%) | 4 (36.37%) | |
| ER, PR, and Her-2/neu status | |||
| ER status | |||
| Negative | 24 (96%) | 1 (4%) | 0.098† |
| Positive | 19 (76%) | 6 (24%) | |
| PR status | |||
| Negative | 26 (96.30%) | 1 (3.70%) | 0.039† |
| Positive | 17 (73.90%) | 6 (26.10%) | |
| Her-2/neu status | |||
| Negative | 22 (91.66%) | 2 (8.34%) | 0.420† |
| Positive | 21 (80.77%) | 5 (19.23%) | |
| Luminal status | |||
| Her-2/neu amplified | 13 (92.86%) | 1 (7.14%) | 0.113† |
| Luminal A | 11 (84.62%) | 2 (15.38%) | |
| Luminal B | 8 (66.66%) | 4 (33.34%) | |
| TNBC | 11 (100%) | 0 (0%) | |
| Number of lymph nodes extracted | |||
| Mean ± SD | 15.79 ± 5.5 | 14.29 ± 2.43 | 0.483* |
| Median (interquartile range) | 15(13-18.5) | 15(12.5-15.5) | |
| Number of positive lymph nodes | |||
| Mean ± SD | 4.42 ± 5.4 | 1.71 ± 2.36 | 0.201* |
| Median (interquartile range) | 2(0-7) | 1(0-2.5) | |
| Prognosis | |||
| Bad prognosis | 23 (100%) | 0 (0%) | 0.011† |
| Good prognosis | 20 (74.07%) | 7 (25.93%) |