Association of Complement Receptor 2 Gene Polymorphisms with Susceptibility to Osteonecrosis of the Femoral Head in Systemic Lupus Erythematosus

Table 5

Haplotypes of CR2 in blocks 1 and 2 shown in Figure 1.

Haplotype ID	Haplotypes		Frequencies
Block 1	ht1	TGCGA	0.407
	ht2	TGTGG	0.255
	ht3	TGTGA	0.196
	ht4	CCTAA	0.142
Block 2	ht1	TC	0.449
	ht2	CC	0.287
	ht3	CT	0.262