Table 2. HLA-B allele frequencies in... | American Society of Hematology

Table 2.

HLA-B allele frequencies in sickle cell anemia patients with and without stroke

Allele	Stroke (2n = 44)		Control (2n = 62)		G^*	Odds ratio	95% confidence interval	P
Allele	Number	%	Number	%	G^*	Odds ratio	95% confidence interval	P
0702	3	7	8	13	1.0
0705^†	1	2	1	2
0801^†	1	2	0	0
1302^†	0	0	1	2
1402^†	0	0	2	3
1501^†	1	2	0	0
1503	5	11	3	5	1.4
1510^†	0	0	4	6
1516^†	1	2	2	3
1520^†	0	0	1	2
1801^†	0	0	1	2
2703^†	1	2	0	0
3501	7	16	6	10	0.8
3505^†	1	2	0	0
3507^†	1	2	0	0
4001^†	0	0	1	2
4101^†	0	0	1	2
4202	4	9	2	3	1.5
4402^†	0	0	1	2
4403^†	0	0	1	2
4501	0	0	7	11	7.5	0.08	0.01-1.50	.04
4901^†	0	0	1	2
5001^†	2	5	2	3
5101^†	2	5	1	2
5201	1	2	4	6	1
5301	9	20	4	6	4.1	3.7	1.13-12.34	.038
5501^†	0	0	1	2
5701^†	0	0	1	2
5703^†	1	2	2	3
5801^†	1	2	0	0
5802^†	2	5	2	3
8101^†	0	0	2	3
“Combined” alleles	15	34	28	45	0.8
Total G^‡					18.1			.012

Allele	Stroke (2n = 44)		Control (2n = 62)		G^*	Odds ratio	95% confidence interval	P
Allele	Number	%	Number	%	G^*	Odds ratio	95% confidence interval	P
0702	3	7	8	13	1.0
0705^†	1	2	1	2
0801^†	1	2	0	0
1302^†	0	0	1	2
1402^†	0	0	2	3
1501^†	1	2	0	0
1503	5	11	3	5	1.4
1510^†	0	0	4	6
1516^†	1	2	2	3
1520^†	0	0	1	2
1801^†	0	0	1	2
2703^†	1	2	0	0
3501	7	16	6	10	0.8
3505^†	1	2	0	0
3507^†	1	2	0	0
4001^†	0	0	1	2
4101^†	0	0	1	2
4202	4	9	2	3	1.5
4402^†	0	0	1	2
4403^†	0	0	1	2
4501	0	0	7	11	7.5	0.08	0.01-1.50	.04
4901^†	0	0	1	2
5001^†	2	5	2	3
5101^†	2	5	1	2
5201	1	2	4	6	1
5301	9	20	4	6	4.1	3.7	1.13-12.34	.038
5501^†	0	0	1	2
5701^†	0	0	1	2
5703^†	1	2	2	3
5801^†	1	2	0	0
5802^†	2	5	2	3
8101^†	0	0	2	3
“Combined” alleles	15	34	28	45	0.8
Total G^‡					18.1			.012

G indicates G-test statistic.

These are “combined” alleles. They refer to summation of the 25 HLA-B alleles with row totals of less than 5 (see “Patients and methods”).

For total G, df = 7.