Table 3

Risk factors of TJA infection using multivariate analysis with conditional logistic regression

Variable

Odds ratio

95% Confidence interval

P

- Daily steroid intake (per 5 mg/day increase)

5.0

1.1 to 21.6

0.03

- Primary TJA or TJA revision for the joint subsequently infected during the last year

88.3

1.1 to 7,071.0

0.04

TJA, total joint arthroplasty.

Gilson et al. Arthritis Research & Therapy 2010 12:R145   doi:10.1186/ar3087