Table 4.

The effects of blood groups on clinical outcomes of COVID-19.

	intubation		ICU		mortality
	P	OR	P	OR	P	OR
A vs. non-A	0.66	1.32 (0.37–4)	0.94	1.03 (0.39–2.7)	0.35	2.73 (0.31–23.4)
B vs. non-B	0.99	-	0.96	1.03 (0.23–4.5)	0.19	5.01 (0.42–58.8)
AB vs. non-AB	0.84	1.23 (0.1–10.4)	0.32	2 (0.4–8.5)	0.99	-
O vs. non-O	0.66	1.14 (0.2–4.5)	0.74	1.16 (0.4–2.9)	0.35	2.72 (0.33–22.4)
Rh+ vs. Rh–	0.68	1.38 (0.28–6.8)	0.44	1.49 (0.53–4.1)	0.84	1.23 (0.14–10.5)