Table 1.
Participant characteristics stratified by vitamin D status deficient (−) vs. non-deficient (+)
| Vitamin D− | Vitamin D+ | p-value | ||
|---|---|---|---|---|
| Participants | Number | 15 (40.5%) | 22 (59.5%) | NA |
| Age | Years | 47.6 [28, 59] | 54.6 [34, 71] | 0.051 |
| Self-reported race | White | 15 (100%) | 19 (86.4%) | 0.257 |
| Other | 0 (0%) | 3 (13.7%) | 0.257 | |
| BMI | kg/m2 | 28.2 ± 5.3 | 28.3 ± 5.1 | 0.953 |
| Treatment regimen | Prior AC | 14 (93.3%) | 21 (95.5%) | 1.000 |
| Concurrent H and/or P | 6 (40.0%) | 6 (27.3%) | 0.488 | |
| Alcohol consumption | Yes | 9 (60.0%) | 10 (45.5%) | 0.508 |
| Diabetes mellitus | Self-reported and/or HbA1C>6.5% | 1 (6.7%) | 7 (31.8%) | 0.108 |
| Peripheral neuropathy | Baseline CIPN8 | 1.94 ± 4.1 | 1.14 ± 2.6 | 0.471 |
Abbreviations: A = doxorubicin, C = cyclophosphamide, H = trastuzamab, P = pertuzumab; HbA1C = hemoglobin A1C, CIPN8 = Scaled score (range 0–100) of the 8-item sensory subscale of EORTC chemotherapy induced peripheral neuropathy 20 (CIPN20) questionnaire.
a
Continuous variables are presented as mean ± standard deviation except age which is presented as mean [minimum, maximum].
All continuous variables are compared by T-test. Categorical variables are presented as counts (%) and compared by chi-square or Fisher’s exact test as appropriate.