Table 1.
Demographic data for patients who received magnetic resonance imaging after allogeneic HCT
| Demographic variable | Frequency (n=149) | Percentage (%) |
|---|---|---|
| Sex | ||
| Male | 84 | 56 |
| Female | 65 | 44 |
| Race | ||
| Other | 29 | 20 |
| Black | 28 | 19 |
| White | 92 | 62 |
| Diagnosis | ||
| Nonmalignant | 33 | 22 |
| Malignant | 116 | 78 |
| Primary diagnosis | ||
| Others | 87 | 58 |
| Lymphoid malignancies & aplastic anemia | 62 | 43 |
| Survival status | ||
| Dead | 28 | 19 |
| Alive | 121 | 81 |
| BMI at alloHCT* | ||
| Normal & underweight | 96 | 67 |
| Overweight & obese | 47 | 33 |
| Age at MR** | ||
| <10 | 51 | 34 |
| ≥10 | 98 | 66 |
| Age at alloHCT | ||
| <10 | 65 | 44 |
| ≥10 | 84 | 56 |
| Conditioning regimen | ||
| Total body irradiation | 101 | 68 |
| No-total body irradiation | 48 | 32 |
| Physis status at allo HCT | ||
| Closed | 42 | 28 |
| Open | 107 | 72 |
| Acute GVHD maximum Overall grade | ||
| No acute GVHD | 30 | 20 |
| Grade 1, 2 | 81 | 54 |
| Grade 3, 4 | 38 | 26 |
| Chronic GVHD grade | ||
| No chronic GVHD | 92 | 62 |
| Limited | 26 | 18 |
| Extensive | 31 | 21 |
| Donor type | ||
| Unrelated | 57 | 381 |
| Related | 92 | 62 |
| Donor match type | ||
| HLA-matched siblings | 49 | 33 |
| Matched unrelated donors | 57 | 38 |
| Mismatched family members | 43 | 29 |
| Product type | ||
| HPC-A | 47 | 32 |
| HPC-C | 1 | 1 |
| HPC-M | 101 | 68 |
| Duration of chronic GVHD | ||
| No prior chronic GVHD | 92 | 62 |
| Duration ≤ 6 months | 39 | 26. |
| Duration > 6 months | 18 | 12 |
*
BMI calculated only for children more than 2 years old.
**
Age at the first peak osteonecrosis, if a patient did not have any positive imaging result; age at the last imaging date was used.
Abbreviations: alloHCT, allogeneic hematopoietic stem cell transplantation; BMI, Body mass index; GVHD, Graft vs. host disease;; HPC-A, Hematopoietic stem cell from peripheral blood; HPC-M, Hematopoietic stem cell from Marrow; HPC-C, Hematopoietic stem cell from cord; MR, magnetic resonance imaging