Table 2.

Infection Cases of Control Cohort (N = 5).

Patient	Indication	Date	SSI diagnosis criterion	Treatment
59 year-old Female	L4-5 Degenerative spondylolisthesis	POD 14	Superficial SSI  (Criterion d)	Parenteral antibiotics Teicoplanin (16 days) Daptomycin (13 days)
60 year-old Female	L4-5 Degenerative spondylolisthesis	POD 46	Organ space SSI  (Criterion c)	Parenteral antibiotics Vancomycin (19 days)
62 year-old Female	L4 Pars fracture with L4-5 isthmic spondylolisthesis.	POD 12	Deep incision SSI  (Criterion c)	Parenteral antibiotics Vancomycin (7 days) Fosformycin(7 days) Linezolid (14 days) Wound debridement (POD 19)
84 year-old Male	L2-5 spinal stenosis	POD 81	Organ space SSI  (Criterion c)	Parenteral antibiotics Teicoplanin (14 days) Ceftazidime (14 days) Debridement and L3, L5 screws revision (POD 89)
58 year-old Female	L4-5 Degenerative spondylolisthesis	POD 4	Deep incision SSI  (Criterion b)	Parenteral antibiotics Teicoplanin (37 days) Ceftazidime (21 days)

Abbreviation: POD: Postoperative date.