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letter
. 2021 May 15;47:290–291. doi: 10.1016/j.ajem.2021.05.033

Table 1.

Outcomes of incentive spirometer in COVID-19 patients

Mortality
 Intubation
OR (95% CI) OR (95% CI)
Overall
Non spirometry REF REF
Spirometry 0.649 (0.270–1.558)a 0.925 (0.094–9.152)b
a

p = 0.334.

b

p = 0.947.