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Vertebrae data and complication rates
No. %
Patients 51 
Mean age (yr) (range) 69 (51–85) 
Sex M = 16, F = 35 
Kyphoplasty 75 1.5 per patient
Vertebroplasty 137 2.7 per patient
Total 212 4.2 per patient
Etiology 
    Benign 27 53
        Osteoporosis 25 
        Traumatic 2 
    Malignant 24 47
        Myeloma 17 
        Lymphoma 1 
        Melanoma 1 
        Lung 3 
        Kidney 1 
        Undifferentiated 1 
Complications during kyphoplasty 
    Balloon rupture 5 6.6 per vertebra
    Cortical fracture 4 5.3 per vertebra
    Vertebral re-collapse 4 5.3 per vertebra
    Transient hyperalgia 11 21.5 per patient

	No.	%
Patients	51
Mean age (yr) (range)	69 (51–85)
Sex	M = 16, F = 35
Kyphoplasty	75	1.5 per patient
Vertebroplasty	137	2.7 per patient
Total	212	4.2 per patient
Etiology
Benign	27	53
Osteoporosis	25
Traumatic	2
Malignant	24	47
Myeloma	17
Lymphoma	1
Melanoma	1
Lung	3
Kidney	1
Undifferentiated	1
Complications during kyphoplasty
Balloon rupture	5	6.6 per vertebra
Cortical fracture	4	5.3 per vertebra
Vertebral re-collapse	4	5.3 per vertebra
Transient hyperalgia	11	21.5 per patient