Table 2

- Distribution and risk of the ABO blood group in 2617 patients with COVID-19 (N=2617).

Rh positive (2171)Rh negative (446)
A
724 (27.7)
B
624 (23.8)
AB
379 (14.5)
†non-O
1727 (66.0)
O
890 (34.0)
 A+A-B+B-AB+AB-+-O+O-
*Reference population (Makkah area)
50001314 (26.3)101 (2.0)883 (17.66)81(1.6)216(4.3)8(0.2)2413 (48.3)190 (3.8)2190 (43.8)207 (4.1)
Patients
2617620104474150297821391336780110
RR0.9771.243.231.160.783
95% CI0.883-1.0821.124-1.3822.702–3.8211.107–1.2180.733–0.836
P-value0.60.00010.00010.00010.0001
DiedRh positive (58)Rh negative (19)
77165108112------214
RR0.9880.9841.140.965
95% CI0.673-1.4520.645-1.5010.684-1.9040.683 - 1.304
P-value0.90.90.60.8
  • blood group non-O (A,B and AB), *Reference population,18 RR: relative risk, CI: confidence interval