Table 1.

The fracture levels in both groups and follow-up situations

Items		PVP GI ($n$)	PSSF GII ($n$)
Level${}^1$	T7	3	1
	T8	2	2
	T9	3	2
	T10	6	6
	T11	11	12
	T12	7	7
	L1	4	4
	L2	4	3
	L3	3	2
	L4	4	1
	L5	2	3
Total		49	43
Death		3	1
Patients lost to follow-up${}^3$		19	9
Final involved patients		27	33

Note: 1. Fracture levels had been recorded. 2. The incidence rate of complications were calculated with the number of patients with complications divided by those received operations. 3. The final involved patients were those who finished complete 2-year follow-up. PVP GI: Percutaneous vertebroplasty Group I; PSSF GII: Percutaneous short-segment fixation Group II.