Variation in Prosthetic Joint Infection and treatment strategies during 4.5 years of follow-up after primary joint arthroplasty using administrative data of 41397 patients across Australian, European and United States hospitals

Table 3 Influence of patient characteristics and region on having a revision as surgical treatment following Periprosthetic Joint Infection (PJI)

Variable	Odds Ratio [95% CI]
Age > =70 years	0.62 [0.43–0.87]
Comorbidities
Obesity (yes/no)	0.63 [0.36–1.12]
Fluid and electrolyte disorders (yes/no)	0.43 [0.22–0.86]
Region
Australia versus US	0.46 [0.25–0.86]
Europe versus US	0.77 [0.51–1.16]

Significant differences are indicated in bold; Model fit: C statistic = 0,62 Nagelkerke R ² = 0,053

ISSN: 1471-2474