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Table 4 Factors associated with favorable outcomesa,b

From: Rapidly-growing mycobacterial infection: a recognized cause of early-onset prosthetic joint infection

Factors Univariate
OR (95% CI)
P value Multivariate
OR (95%CI)
P value
At 6 months
 Body mass index 0.88 (0.78–0.98) .02 0.86 (0.77–0.97) .02
 Creatinine 0.64 (0.33–1.28) .21
 Chronic kidney disease 0.43 (0.13–1.41) .16
 Malignancy 0.18 (0.29–1.13) .07
 Combined maintenance antibiotic therapy 0.38 (0.15–0.93) .04
 Removal of prosthesis 2.76 (1.10–6.88) 0.03 5.96 (1.88–18.88) < .01
At 12 months
 Gender (Female) 1.82 (0.76–4.34) .18
 Age 0.97 (0.93–1.01) .13
 Body mass index 0.89 (0.77–0.99) .05 0.87 (0.76–0.99) .04
 Creatinine 0.48 (0.20–1.15) .10
 Combined maintenance antibiotic therapy 3.41 (0.75–15.50) 0.11
 Removal of prosthesis 4.33 (0.58–32.33) 0.15 3.96 (1.15–13.71) .03
  1. Abbreviations: CI confidence interval, OR odds ratio
  2. aObtained from subjects with culture-proven non-mycobacterial, mycobacterial and culture-negative PJI
  3. bAnalyzed by univariate and multivariate logistic regression (forward stepwise)