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Volume 32, Number 5—May 2026

CME ACTIVITY - Research

Frequency and Duration of Diagnostic Delays Associated with Coccidioidomycosis and Risk Factors for Missed Diagnoses, United States

Desmond D. Barber, Alan T. Arakkal, George R. Thompson, John W. Baddley, Joe E. Cavanaugh, Aaron C. Miller, and Philip M. PolgreenComments to Author 
Author affiliation: University of Iowa College of Medicine, Iowa City, Iowa, USA (D.D. Barber, A.T. Arakkal, J.E. Cavanaugh, A.C. Miller, P.M. Polgreen); University of California, Davis, California, USA (G.R. Thompson); Johns Hopkins University, Baltimore, Maryland, USA (J.W. Baddley)

Main Article

Table 4

Results of exploratory logistic regression model in study of frequency and duration of diagnostic delays associated with coccidioidomycosis and risk factors for missed diagnoses, United States*

Potential risk factor Odds ratio (95% CI)
Database source
Commercial Referent
Medicare 0.61 (0.47–0.78)
Medicaid
0.61 (0.48–0.77)
Age group, y
<18 Referent
18–34 0.89 (0.77–1.00)
35–44 0.94 (0.82–1.08)
45–54 0.94 (0.81–1.06)
55–64 0.93 (0.82–1.05)
>65
1.48 (1.15–1.98)
Female sex
0.99 (0.93–1.05)
Rural location
1.27 (1.04–1.60)
Asthma diagnosis before delay window 1.34 (1.18–1.49)
COPD diagnosis before delay window 1.56 (1.36–1.80)
Chest CT before delay window 1.42 (1.26–1.61)
Chest radiography before delay window
1.21 (1.12–1.30)
Respiratory antibiotic prescriptions filled during delay window 3.42 (3.18–3.69)
Inhaler prescriptions filled during delay window 2.64 (2.34–2.99)

*Odds ratios corresponding to the odds of a patient experiencing a diagnostic delay are aggregated across bootstrap trials. The mean odds ratio along with 95% CI are reported across trials for each potential risk factor. See Appendix Table 3 for effects associated with month and year. COPD, chronic obstructive pulmonary disorder; CT, computed tomography.

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Page created: March 23, 2026
Page updated: May 11, 2026
Page reviewed: May 11, 2026
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