Chia Siang Kow, Shahzad Syed, Hasan
Newcastle-Ottawa Scale; OR, odds ratio. a The adjusted estimate was extracted in the analysis among patients with confirmed COVID-19 by polymerase chain reaction assay.
CONFLICT OF INTERESTS The authors declare that there are no conflict of interests.
Chia Siang Kow 1 Syed Shahzad Hasan
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