Table 4.

Results of univariate MR analysis between OSA and severe COVID-19 outcome

Method	SNPs	β	SE	P Value
MR Egger	19	0.145	0.313	0.648
Weighted median	19	0.315	0.102	0.002
Inverse variance weighted	19	0.241	0.073	9.41 × 10−4
Simple mode	19	0.207	0.172	0.243
Weighted mode	19	0.417	0.132	0.005

Definition of abbreviations: COVID-19 = coronavirus disease; MR = Mendelian randomization; OSA = obstructive sleep apnea; SE = standard error; SNP = single-nucleotide polymorphism.