Cases

(n = 74)

Controls

(n = 40)

P value

Mean ± SD

Median

Range

Mean ± SD

Median

Range

%CD55 RBCs

79.78 ± 18.54

84.35

0.05 - 98.20

99.45 ± 0.59

99.60

97.30 - 100.00

<0.001*

%CD59 RBCs

97.76 ± 1.72

98.07

90.33 - 99.79

99.75 ± 0.36

99.90

98.40 - 100.00

<0.001*

% CD35 RBCs

4.30 ± 4.66

2.92

0.10 - 26.38

19.40 ± 10.90

17.90

5.40 - 49.60

<0.001*