Risk factors for early septic failure after two-stage exchange total knee arthroplasty for treatment of periprosthetic joint infection

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 4 Multivariate logistic regression of independent risk factors of early septic failure after two-stage exchange total knee arthroplasty in periprosthetic joint infection

Factor	Multivariate analysis
Factor	OR (95% CI)	p value
Age	0.952 (0.890–1.019)	0.154
Sex
Female	1.00
Male	2.753 (1.099–6.893)	0.031
BMI	1.023 (0.927–1.129)	0.651
Intraoperative culture result after first surgery
No growth	1.00
Single-culture positive	1.398 (0.356–5.489)	0.631
Polymicroorganism	1.237 (0.366–4.182)	0.732
Fungus or mycobacterial infection	5.224 (1.481–18.433)	0.010
Reimplantation culture positive	4.407 (1.255–15.480)	0.021
Radiologic septic loosening	0.628 (0.289–1.364)	0.240