Table 2.

Perioperative and follow-up data

No. of patient	Location of infection	Level of fixation	Segm. fused	Cage	Duration of surgery (min)	Blood loss (ml)	Ambulatory status (ability to walk unaided) (days post op.)	Observation time (months)	Angle preoperative (°)	Angle postoperative (°)	Angle end (°)	Bone fusion (months)	Kirkaldy-Willis functional outcome	Intensive care unit (days)
1	Th12-L1	Th12-L1	1	Harms	165	400	1	27	12	11	12	3+	Excellent	1
2	Th8-Th9	Th8-Th9	1	PEEK	160	1,500	With assistance only	16	19	1	20	6+	Good	3
3	Th8-Th9	Th6-Th12	3	VLIFT	225	1500	2	14	35	20	22	4+	Excellent	3
4	L1-L2	L1-L2	1	Harms	185	600	2	8	14	5	1	6	Good	4
5	Th6-Th7, Th7-Th8	Th4-Th10	4	VLIFT	220	900	2	10	27	11	14	8	Good	2
6	L4-L5	L4-L5	1	Harms	150	500	2	56	−8	−16	−16	5	Good	2
7	L4-L5	L4-L5	1	Harms	155	1,500	2	12	−17	−8	−6	6	Good	2
8	Th11-L1	Th9-L1		VLIFT	360	4,600	2	34	10	6	10	No	Fair	4
9	Th11-Th12	Th9-L3	3	VLIFT	185	700	2	47	18	2	8	3	Good	2
10	L4-L5	L4-S1	1	Harms	185	1,000	2	23	−18	−18	−16	5	Excellent	4
11	Th6-Th7-Th8	Th4-Th10	4	VLIFT	285	1,500	14	13	20	19	16	6	Fair	2
12	Th8-Th9	Th7-Th9		Harms	230	400	1	8	20	16	26	No	Good	1
13	Th4-Th5	Th4-Th5	1	VLIFT	240	500	11	16	15	8	10	16	Excellent	1
14	L4-L5	L4-L5	1	PEEK	70	500	1	11	−5	−15	−10	4	Excellent	2
15	Th7-Th8	Th5-Th10	2	Harms	300	2,000	5	10	30	14	20	8	Good	2
16	L4-L5	L4-L5	1	PEEK	240	800	1	8	0	−7	−3	5	Fair	2
17	L3-L4	L3-L4	1	Harms	165	600	1	6	6	−6	−1	4	Excellent	2