Table 2:

Outcomes of 87 patients with enterovirus D68 and 87 matched controls with rhinovirus or other strains of enterovirus

OutcomeNo. (%)*OR (95% CI)Adjusted OR (95% CI)
EV-D68Non–EV-D68
Primary outcome
Composite of admission to the critical care unit and/or death20 (23.0)13 (14.9)1.78 (0.79–4.02)1.47 (0.61–3.52)
Secondary outcomes
Admission69 (79.3)57 (65.5)2.33 (1.07–5.09)§2.29 (0.96–5.46)
 LOS, median (IQR), d3 (2–5)3 (2–5)NANA
Oxygen requirement34 (39.1)25 (28.7)1.52 (0.83–2.82)1.28 (0.66–2.51)
Need for magnesium sulfate28 (32.2)12 (13.8)3.00 (1.34–6.68)§2.62 (1.06–6.47)§
Antibiotic treatment24 (27.6)32 (36.8)0.65 (0.34–1.25)0.72 (0.37–1.41)
Need for intravenous salbutamol10 (11.5)2 (2.3)9.00 (1.14–71.0)§7.15 (0.88–57.8)
Admission to the critical care unit20 (23.0)13 (14.9)1.78 (0.79–4.02)1.47 (0.61–3.54)
 LOS, median (IQR), d3 (2.25–4.75)4 (2.0–5.5)NA**NA
 Noninvasive mechanical ventilation1 (1.1)3 (3.4)0.33 (0.04–3.20)0.27 (0.03–2.79)
 Invasive mechanical ventilation1 (1.1)4 (4.6)0.25 (0.03–2.24)0.27 (0.03–2.52)
Death0 (0)1 (1.1)NANA
  • Note: CI = confidence interval, EV-D68 = enterovirus D68, IQR = interquartile range, LOS = length of stay, NA = not applicable, OR = odds ratio.

  • * Unless stated otherwise.

  • Adjusted for history of allergy and/or other medical comorbidity. “History of allergy” defined by any family or personal history of atopy, including the presence of blood eosinophilia. “Other medical comorbidity” defined as any comorbidity listed in Table 1.

  • Associated p value of < 0.2.

  • § Associated p value of < 0.05.

  • p = 0.9 by the paired Wilcoxon rank sum test.

  • ** p = 0.6 by the paired Wilcoxon rank sum test.