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Volume 24, Number 11—November 2018

Synopsis

Epidemiology of Buruli Ulcer Infections, Victoria, Australia, 2011–2016

Michael J. Loftus, Ee Laine Tay, Maria Globan, Caroline J. Lavender, Simon R. Crouch, Paul D.R. Johnson1Comments to Author , and Janet A.M. Fyfe1
Author affiliations: Victorian Department of Health and Human Services, Melbourne, Victoria, Australia (M.J. Loftus, E.L. Tay, S.R. Crouch); Austin Health, Heidelberg, Victoria, Australia (M.J. Loftus, P.D.R. Johnson); Victorian Infectious Diseases Reference Laboratory, Melbourne (M. Globan, C.J. Lavender, J.A.M. Fyfe); The University of Melbourne, Parkville, Victoria, Australia (P.D.R. Johnson)

Main Article

Table 3

Logistic regression model showing adjusted and unadjusted associations between identified factors and severe Buruli ulcer disease, Victoria, Australia, 2011–2016*

Factor
 Disease severity, no. (%) patients†
Univariate model
Multivariate model
Category I
 Categories II and III
 OR (95% CI)
 p value
 aOR (95% CI)
 p value
Age, y
<60 257 (83.4) 51 (16.6) 1.00
>60
 158 (73.5)
 57 (26.5)
1.82 (1.19–2.79)
 0.006
2.19 (1.38–3.47)
 0.001
Sex
F 189 (82.9) 39 (17.1) 1.00
M
 226 (76.6)
 69 (23.4)
1.48 (0.96–2.29)
 0.079
1.36 (0.85–2.16)
 0.199
Residence
Resident 251 (82.3) 54 (17.7) 1.00
Visitor 156 (75.0) 52 (25.0) 1.55 (1.01–2.38) 0.046 1.87 (1.16–3.02) 0.01
Unclear
 8 (80.0)
 2 (20.0)
1.16 (0.24–5.63)
 0.852
NC
Exposure
Bellarine Peninsula 166 (83.8) 32 (16.2) 1.00
Mornington Peninsula 171 (77.4) 50 (22.6) 1.52 (0.93–2.48) 0.097 1.35 (0.81–2.24) 0.244
Other
52 (75.4)
 17 (24.6)
1.70 (0.87–3.30)
 0.120
2.00 (0.87–3.94)
 0.056
Time to diagnosis, d‡ 1.002 (0.999–1.005) 0.254

*aOR, adjusted odds ratio; NC, not calculable because there were no data; OR, odds ratio.
†Severe disease is defined as World Health Organization category II or III.
‡Not included in the logistic regression model because it did not meet the prespecified threshold for significance of p<0.2.

Main Article

1Joint senior authors.

Page created: October 16, 2018
Page updated: October 16, 2018
Page reviewed: October 16, 2018
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