Characteristics of patients with absent bone marrow edema (no BME) in treated osteoporotic vertebral compression fractures (VCF) (group I) and patients with full BME (full BME) in treated VCF (group II) prior to percutaneous vertebroplasty (PV)
| Group I, No BME | Group II, Full BME | P value | |
|---|---|---|---|
| Total no. of study patients | 14 | 31 | |
| Mean age, y (range) | 71 (47–88) | 75 (51–88) | .5 |
| Median | 69 | 70 | |
| Women (%) | 12 (86) | 27 (87) | .9 |
| No. of VCF treated by PV | 22 | 38 | .01 |
| Patients with multiple treated VCF (%) | 7 (50) | 7 (23) | .1 |
| Mean age treated VCF, (no) (range) | 8.3 (3–36) | 4.7 (2–24) | .07 |
| Median | 5.5 | 3.0 | |
| Extent bone marrow edema in treated VCF | |||
| Absent (0%) | 22 | ||
| Full (100%) | 38 | ||
| Shape of treated VCF | |||
| Wedge (%) | 17 (77) | 28 (74) | .7 |
| Biconcave (%) | 5 (23) | 9 (24) | |
| Crush (%) | 1 (2) | ||
| Grade of treated VCF | |||
| Mild (%) | 14 (64) | 8 (21) | <.01 |
| Moderate (%) | 8 (36) | 14 (37) | |
| Severe (%) | 16 (42) | ||
| Mean injected cement volume, mm3 (range) | 3.5 (1.2–5.5) | 2.7 (1.0–4.5) | <.01 |
| Median | 4.0 | 2.5 | |
| Mean initial VAS (range) | 8.6 (7–10) | 8.6 (6–10) | .9 |
| Median | 8.0 | 9.0 | |
| Initial analgesic use | |||
| No (%) | 14 | 0 | .2 |
| Paracetamol (%) | 14 | 16 | |
| NSAID (%) | 29 | 29 | |
| Opiate derivative (%) | 43 | 55 |
Note:—VAS indicates visual analogue score; NSAID, nonsteroidal anti-inflammatory drug.