Age | | | | | |
<70 yrs | 634 | 67 | 10.6 | Reference | .91 |
>70 yrs | 37 | 4 | 10.8 | 1.06 (0.37, 3.02) | |
Race | | | | | |
White | 645 | 68 | 10.5 | Reference | .87 |
Non-white | 26 | 3 | 11.5 | 1.10 (0.35, 3.50) | |
Gender | | | | | |
Female | 272 | 33 | 12.1 | Reference | .38 |
Male | 399 | 38 | 9.5 | 0.79 (0.47, 1.33) | |
Number of existing allergies | | | | | .026b |
0 | 333 | 25 | 7.5 | Reference | |
1 or 2 | 268 | 39 | 14.6 | 2.13 (1.23, 3.70) | .007c |
>2 allergies | 70 | 7 | 10 | 1.35 (0.58, 3.17) | .49 |
Ferumoxytol dose | | | | | .40b |
≤2 mg/kg | 121 | 8 | 6.6 | Reference | |
2–4 mg/kg | 303 | 34 | 11.2 | 1.77 (0.69, 4.54) | .23 |
>4 mg/kg | 247 | 29 | 11.7 | 1.86 (0.75, 4.58) | .18 |
Steroid use | | | | | |
None | 461 | 44 | 9.5 | Reference | .13 |
On decadron | 183 | 25 | 13.7 | 1.56 (0.92, 2.67) | |
Pathology | | | | | |
Non-tumor | 54 | 5 | 9.3 | Reference | .71 |
Tumor | 617 | 66 | 10.7 | 1.20 (0.47, 3.04) | |