Table 2 Distribution of ABO bloodtype, lewis and secretor status among 192 participants in a case–control study of a norovirus gastroenteritis outbreak in China, 2014.
From: An outbreak caused by GII.17 norovirus with a wide spectrum of HBGA-associated susceptibility
Status | No. (%) of cases | No. (%) of controls | Total no. (%) | χ 2 value | P value |
|---|---|---|---|---|---|
Blood type † | n = 67 | n = 102 | n = 169 | 3.337 | 0.340 |
A | 23 (34.3) | 23 (22.5) | 46 (27.2) | ||
B | 18 (26.9) | 29 (28.4) | 47 (27.8) | ||
O | 23 (34.3) | 46 (45.1) | 69 (40.8) | ||
AB | 3 (4.5) | 4 (3.9) | 7 (4.1) | ||
Lewis status | n = 69 | n = 123 | n = 192 | 8.725 | 0.026* |
Leb+/Ley+ | 64 (92.8) | 96 (78.0) | 160 (83.3) | ||
Lea+/Lex+ | 2 (2.9) | 16 (13.0) | 18 (9.4) | ||
Lea+b+/Lex+y+ | 3 (4.3) | 6 (4.9) | 9 (4.8) | ||
Lea-b-x-y- | 0 (0) | 5 (4.1) | 5 (2.6) | ||
Secretor status | n = 69 | n = 123 | n = 192 | 8.42 | 0.003** |
Secretor | 67 (97.1) | 102 (82.9) | 169 (88.0) | ||
Nonsecretor | 2 (2.9) | 21 (17.1) | 23 (12.0) |
