Table 1.

Demographics of 246 persons tested according to glucose-6-phosphate dehydrogenase level

Characteristic	Total	Glucose-6-phosphate dehydrogenase level (Trinity Biotech quantitative assay)		P*
		≤ 4 U/g hemoglobin	> 4 U/g hemoglobin
Number	246	50	196
Sex, no. (%)
Men	83 (34)	24 (48)	59 (30)	0.017
Women	163 (66)	26 (52)	137 (70)
Age, years
Mean ± SD†	31.9 ± 12.2	33.5 ± 16.4	31.5 ± 11.1
Range	3–72	3–72	4–62
Race/ethnicity, no. (%)
White	89 (36)	0 (0)	89 (45)	< 0.0001
Black	110 (45)	43 (86)	67 (34)
Hispanic	19 (8)	2 (4)	17 (9)
Asian	5 (2)	0 (0)	5 (3)
Native American/Pacific Islander	7 (3)	3 (6)	4 (2)
Indian subcontinent	10 (4)	0 (0)	10 (5)
Multiracial	6 (2)	2 (4)	4 (2)

^*For chi-square test of independence.

^†Mean differences in age were not significantly different.