Table 4

CR1 polymorphisms distribution in patients with SLE with nephritis (LN+) and patients with SLE without nephritis (LN−)

CR1 polymorphismsGenotype or alleleLN− (n=135)LN+ (n=162)p ValueOR (95% CI)
CR1 intron 27 (A>T)Genotype
AA24 (18)36 (22)1Ref
AT70 (52)80 (49)0.440.76 (0.41 to 1.40)
TT41 (30)46 (29)0.400.74 (0.38 to 1.45)
Allele
A118 (43)152 (47)1Ref
T152 (57)172 (53)0.450.87 (0.63 to 1.21)
CR1 exon 22 (A>G)Genotype
AA8 (6)6 (4)1Ref
AG55 (41)59 (36)0.581.43 (0.46 to 4.38)
GG72 (53)97 (60)0.401.79 (0.59 to 5.40)
Allele
A71 (26)71 (22)1Ref
G199 (74)253 (78)0.241.27 (0.87 to 1.85)
CR1 exon 33Genotype
(G>C)CC14 (10)6 (4)1Ref
CG47 (35)57 (35)0.052.83 (1.00 to 7.93)
GG74 (55)99 (61)0.033.12 (1.14 to 8.51)
Allele
C75 (28)69 (21)1Ref
G195 (72)255 (79)0.061.42 (0.97 to 2.07)
  • Note: Data are no. (%) of participants unless otherwise specified.

  • p Values were calculated by Fisher's exact test.

  • SLE, systemic lupus erythematosus.