Table 1 Comparison of continuous variables of patients between two groups (the Mann–Whitney U test)
Clinical parameters | Mean rank | Median | IQR | Z score | P value |
|---|---|---|---|---|---|
The volume of bone cement injected | |||||
Recompression group | 45.55 | 5.5 | 4.5–6.0 | − 0.381 | 0.703 |
Non-recompression group | 47.76 | 5.25 | 5.0–6.0 |  |  |
BMD | |||||
Recompression group | 23.11 | − 2.8 | − 3.1 to − 2.25 | − 6.189 | < 0.001* |
Non-recompression group | 59.53 | − 1.1 | − 2.1 to − 0.3 |  |  |
Serum calcium | |||||
Recompression group | 43.08 | 2.22 | 2.2–2.3 | − 1.070 | 0.285 |
Non-recompression group | 49.06 | 2.2 | 2.1–2.3 |  |  |
Serum phosphorus | |||||
Recompression group | 46.17 | 1.135 | 0.985–1.23 | − 0.214 | 0.830 |
Non-recompression group | 47.43 | 1.13 | 1.01–1.24 |  |  |
ALP | |||||
Recompression group | 41.23 | 75 | 61.5–96 | − 1.492 | 0.136 |
Non-recompression group | 50.02 | 85 | 69–102 |  |  |
β-CTX | |||||
Recompression group | 51.75 | 613.1 | 476–782.6 | − 1.229 | 0.219 |
Non-recompression group | 44.51 | 516.4 | 391–721.4 |  |  |
OC | |||||
Recompression group | 48.91 | 15.25 | 9.9–21.3 | − 0.493 | 0.622 |
Non-recompression group | 46 | 13.4 | 9.7–18.2 |  |  |
P1NP | |||||
Recompression group | 41.78 | 43.45 | 28.5–57.3 | − 1.351 | 0.177 |
Non-recompression group | 49.74 | 51.6 | 36.6–67.4 |  |  |
PTH | |||||
Recompression group | 35.59 | 38.1 | 26.7–50.3 | − 2.952 | 0.003* |
Non-recompression group | 52.98 | 48.9 | 38.3–61.6 |  |  |
25-OH-D3 | |||||
Recompression group | 38.3 | 13.3 | 10.45–18.5 | − 2.252 | 0.024* |
Non-recompression group | 51.57 | 18.2 | 12.3–22.9 |  |  |