Table 2.

Wound and treatment characteristics of patients

ID	Age/sex	Diagnosis	Original operation†	Organism‡	No. of VAC changes	Onset time (days)	Healing time (days)	Treatment cost (USD)
1	44/M	T3–7 fracture	PFF	Se	2	10	15	1342.9
2	39/F	Sacral fracture	PDF	Ef	2	9	16	1333.4
3	70/M	Lumbar stenosis and spondylolysthesis	PDFF	MRSA	2	8	17	1472.4
4	67/M	T10 burst fracture	PDFF	–	3	6	20	1982.9
5	54/M	T11–12 fracture with dislocation	PDFF	Se	2	13	16	1380.5
6	62/F	Thoracic spinal stenosis	PDF	Ef	3	12	18	1862.5
7	36/F	T11 burst fracture	PF	–	3	6	19	1922.6
8	36/M	Thoracolumbar fracture (T9, L2)	PF	Se	2	8	16	1405.2
9	51/M	L1 burst fracture	PF	Sa	2	10	14	1410.6
10	45/M	L2, L4 fracture	PF	MRSA	2	8	15	1480.3
11	49/F	T12 burst fracture	PF	Sa	2	13	16	1520.8
12	65/M	T11, L1, L2 fracture	PDF	Se	2	14	15	1320.5
13	34/M	L1 burst fracture	PF	Ea	2	9	16	1385.6
14	53/F	T5, T6 fracture	PF	Ef	4	9	25	2601.9
15	80/M	T10 burst fracture, DISH*	PF	MRSA	2	12	18	1430.8
16	73/F	L1 burst fracture	PF	Sa	2	10	17	1300.9
17	35/M	L1 fracture with dislocation	PDFF	Pa	2	8	20	1560.2
18	54/M	Lumbar spinal stenosis	PDFF	–	2	18	16	1344.5

^*DISH diffuse idiopathic skeletal hyperostosis

^†PFF posterior fusion and fixation, PDF posterior decompression and fixation, PDFF posterior decompression and fusion + fixation

^‡No bacteria or fungi exist in the culture, Se Staphylococcus epidermidis, Ef Enterococcus faecalis, Sa Staphylococcus aureus, Ea Enterobacter aerogenes, Pa Pseudomonas aeruginosa, MRSA methicillin-resistant Staphylococcus aureus