Table 3 G6PD activity and reticulocyte count in the G6PD deficiency, intermediate, and normal newborn groups

Spectrophotometric assay (n)

837

423

414

116

29

87

62

50

12

G6PD activity (U/g Hb)

10.48 ± 2.18

10.52 ± 2.15

10.45 ± 2.23

6.34 ± 2.40

7.63 ± 1.01

6.04 ± 1.92

1.33 ± 0.75

1.21 ± 0.76

1.56 ± 1.67

Reticulocyte count (%)

4.78 ± 1.29

4.56 ± 1.20

5.01 ± 1.33

5.03 ± 1.43

4.31 ± 1.69

5.27 ± 1.25

5.82 ± 1.73^a

5.86 ± 1.90^b

5.65 ± 0.69^c

Automated UV enzymatic assay (n)

791

403

388

158

47

111

66

52

14

G6PD activity (U/g Hb)

27.45 ± 6.63

27.26 ± 6.68

27.50 ± 6.63

16.49 ± 6.37

18.26 ± 2.81

14.75 ± 6.22

1.81 ± 0.90

1.76 ± 0.70

2.11 ± 5.44

Reticulocyte count (%)

4.82 ± 1.29

4.60 ± 1.20

5.04 ± 1.34

4.76 ± 1.37

3.94 ± 1.25^b

5.10 ± 1.28

5.83 ± 1.71^a

5.91 ± 1.88^b

5.52 ± 0.75^c