From: Balloon kyphoplasty in malignant spinal fractures: a systematic review and meta-analysis
Variable | Studies providing data | N° patients/levels | Size of effect (95%CI); P-value; I2 |
---|---|---|---|
Pain: VAS score (0-10) | |||
Basal-postoperative | 172 patients | SMD: 3.85 (2.99, 4.71); p < .001; 79% | |
Baseline-end of follow-up | 109 patients | SMD: 4.27 (2.38, 6.21); p < .001; 93% | |
Functional capacity: | |||
ODI (0-100) | |||
Baseline-postoperative | 173 patients | WMD:-28.78 (-11.5,- 46.0);p = .001; 99% | |
Baseline-<6 months | 82 patients | WMD:-16.39 (-14.25,-18.5);p = .001; 0% | |
Baseline-2 years | 91 patients | WMD:-41.95 (-39.42, -44.5);p = .001; 0% | |
Kyphotic deformity (Cobb angle): | |||
Basal-postoperative | 180 levels | SMD:-0.69 (-0.20, -1.16); p = .001; 78% | |
Baseline-end of follow-up | 155 levels | SMD: -0.39 (0.05, -0.84); p = .08; 74% | |
Vertebral height: | |||
% of restitution | 342 levels | RR:47% (33%, 61%); 38% | |
Increase (mm): | 158 levels | ||
Anterior vertebral body | |||
Basal-postoperative | SMD:0.28 (0.06, 0.51); p = .01; 0% | ||
Baseline-end of follow-up | SMD: 0.15 (-0.16, 0.45); p = .35; 37% | ||
Midline vertebral body | |||
Basal-postoperative | SMD:0.28 (0.003, 0.56); p = .04; 34% | ||
Baseline-end of follow-up | SMD:0.15 (-0.17, 0.46); p = .35; 41% |