Comparison between Percutaneous Kyphoplasty and Posterior Fixation Combined with Vertebroplasty in the Treatment of Stage III Kümmell’s Disease without Neurological Deficit

Table 3

Comparison of radiological evaluation results.

Parameters	PKP group	PF+VP group	value
Cobb angle (°)
Preoperative			0.397
Postoperative 3 days			0.013
Postoperative 3 months			0.019
Final follow-up			0.024
The ratio of anterior vertebral height (%)
Preoperative			0.183
Postoperative 3 days			0.356
Postoperative 3 months			0.514
Final follow-up			0.482
The ratio of central vertebral height (%)
Preoperative			0.135
Postoperative 3 days			0.477
Postoperative 3 months			0.804
Final follow-up			0.539

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