Table 4 Comparison of postoperative clinical results in group A and group B
Parameter | Group A (n = 14) | Group B (n = 40) | P value |
|---|---|---|---|
Follow up, mean (SD), (months) | 40.4 (19.5) | 37.4 (19.3) | 0.61 |
No. of postoperative fracture, n (%) | 12 (85.7) | 10 (25) | < 0.001 |
No. of proximal junctional kyphosis, n (%) | 12 (85.7) | 24 (60) | 0.07 |
No. of PS loosening, n (%) | 14 (100) | 38 (95) | 0.54 |
No. of uppermost PS loosening, n (%) | 14 (100) | 30 (75) | 0.04 |
No. of uppermost PS loosening within 3 months, n (%) | 10 (71.4) | 16 (40) | 0.04 |
No. of lowermost PS loosening, n (%) | 10 (71.4) | 32 (80) | 0.37 |
No. of postoperative treatment for osteoporosis, n (%) | 14 (100) | 34 (77.2) | 0.04 |
No. of teriparatide use, n (%) | 2 (14.2) | 16 (40) | 0.07 |