Comparison of demographics of patients with myeloma on systemic therapy at the time of vertebroplasty (treated group) with patients not on systemic therapy (untreated group)a
| Variable | Treated Group (n = 134) | Untreated Group (n = 38) |
|---|---|---|
| Male sex (No.) (%) | 74 (55%) | 23 (61%) |
| Deceased at 1 yr | 19 (14%) | 4 (11%) |
| Duration of pain (mo) | 3 (1–7) | 2 (1–3) |
| Delay in diagnosis (mo) | 9.5 (2.5–45) | NA |
| No. of affected levels | 5 (3–10) | 5 (2–12) |
| No. of treated levels | 2 (1–3) | 2 (1–3) |
Note:—NA indicates not applicable.
↵a Data are median (IQR) unless otherwise indicated.