Table 5.
Results of the procedural items and clinical outcomes
| Items | Unit | CAP group | VETERAN group | p value |
|---|---|---|---|---|
| Procedural success rate | % | 100% | 100% | > 0.999 |
| Operative time | Mean ± SD minutes per puncture | 29 ± 8 | 24 ± 9 | < 0.01 |
| Exposure time | Mean ± SD minutes per puncture | 10 ± 3 | 8.8 ± 3.4 | < 0.05 |
| Cone-beam CT exposure dose | Mean ± SD mGy | 352 ± 173 | 155 ± 83 | < 0.01 |
| No. of Cone-beam CT | Mean(Range/Median) | 2.1 (0–4/2) | 0.9 (0–2/1) | < 0.01 |
| IVR-CT exposure dose (DLP) | Mean ± SD mGy | 656 ± 331 | 617 ± 306 | 0.323 |
| No. of IVR-CT | Mean(Range/Median) | 1.1 (1–3/1) | 1.2 (1–2/1) | 0.062 |
| Uni-or bilateral puncture | No. of uni-/bilateral puncture | 133/158 | 49/38 | 0.082 |
| Bone cement volume | Mean(range/median) mL per vertebra | 1.6 (0–7/1.4) | 1.8 (0.4–6/1.6) | > 0.999 |
| Bone cement leakage | No. and (%) of vertebra | 168(58%) | 62(71%) | 0.194 |
| Pulmonary emboli | No. and (%) of pts | 3 (2%) | 0 (0%) | 0.697 |
| Cardiac dysfunction | No. and (%) of pts | 3 (3%) | 0 (0%) | 0.818 |
| NRS score before PVP | Mean ± SD | 6.4 ± 3 | 6.6 ± 3 | 0.818 |
| NRS score at 7th day | Mean ± SD | 2.3 ± 2.4 | 2.8 ± 2.1 | 0.71 |
| ADL score before PVP | Mean ± SD | 2.7 ± 1.3 | 2.8 ± 1.4 | 0.962 |
| ADL score at 7th day | Mean ± SD | 1.5 ± 1 | 1.4 ± 1 | 0.765 |
SD standard deviation, CT computed tomography, DLP dose length product, IVR-CT interventional computed tomography, No. number, Pts patients, NRS numeric rating scaling, ADL activities of daily living