Table 2 Coccidioides filter prevalence in 2018 on days with dust storms and the proceeding 7-days across all identified dust storms, all NOAA reported dust storms, and all investigator verified events.

From: Understanding the exposure risk of aerosolized Coccidioides in a Valley fever endemic metropolis

Dust storm definition

N dust storms

Coccidioides filter prevalence on days with dust storms [%(n/total, 95% CI)]

Average Coccidioides filter prevalence 7-day prior to dust storms [%(n/total, 95% CI)]

Proportions test p-value

All events

14

5 (6/115, 2–11)

6 (25/396, 4–9)

0.83

All NOAA events

13

5 (5/107, 2–11)

6 (24/363, 4–9)

0.61

All verified

10

5 (4/85, 2–12)

6 (20/315, 4–9)

0.75

  1. All confidence intervals and proportions tests were computed using Wilson’s score.
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