Table 2.

Spinal group results

Patient number	Patient age	Early or late infection	Procedure	Time after first washout that NPWT was applied	Duration of NPWT	Number of NPWT changes	Long-term outcome
1	17 years	Late	Corrective surgery for severe scoliosis	0 days	21 days	3	Metalwork retained, no infection
2	46 years	Early	Instrumented lumbar spine fusion	0 days	14 days	2	Metalwork retained, no infection
3	43 years	Early	Instrumented lumbar spine fusion	0 days	14 days	2	Metalwork retained, no infection
4	41 years	Early	Instrumented anterior lumbar spine fusion	0 days	15 days	2	Metalwork retained, no infection
5	72 years	Early	Instrumented lumbar spine fusion	0 days	14 days	2	Metalwork retained, no infection

NPWT = negative pressure wound therapy