Blood group types
|
Frequency n (%)
|
p values
|
Severe cases n (%)
|
p values
|
---|
O Positive
|
187 (38.5)
| |
64 (34.22)
| |
O Negative
|
49 (10.1)
|
< .00001*
|
36 (73.47)
|
< .00001*
|
A Positive
|
98 (20.2)
| |
35 (35.71)
| |
A Negative
|
29 (6.0)
|
< .00001*
|
19 (65.51)
|
< .00001*
|
B Positive
|
41 (8.4)
|
< .00001*
|
21 (51.21)
|
< .00001*
|
B Negative
|
27 (5.6)
|
< .00001*
|
17 (62.96)
|
< .00001*
|
AB Positive
|
33 (6.8)
|
< .00001*
|
18 (54.55)
|
< .00001*
|
AB Negative
|
22 (4.5)
|
< .00001*
|
12 (54.55)
|
< .00001*
|
- Values with an asterisk (*) are significantly different from O and A positive at p < 0.05 (Chi-square test)