Table 2.

Comparison of ABO blood group distributions and antigens present between COV + ICU- and COV + ICU+.

Blood type	X2	OR	95% CI	P-value
A	0.28	1.10	0.76–1.56	0.599
B	0.67	1.14	0.82–1.59	0.411
O	1.83	0.81	0.60–1.11	0.177
AB	0.16	1.14	0.54–2.17	0.688
Anti-A	0.47	0.89	0.64–1.26	0.491
Anti-B	0.94	0.86	0.63–1.18	0.332