Table II.
Comparison of the positive rate of autoantibody detection in SLE and disease control groups (%).
Group | No. of cases | ANA | Anti-ds-DNA antibody |
---|---|---|---|
SLE group | 194 | 178 (91.75)a | 130 (67.01)a |
Disease control group | 106 | 46 (43.40)a,b | 4 (3.77)a,b |
Control group | 120 | 0 (0) | 0 (0) |
χ2 | 52.34 | 110.90 | |
P-value | <0.001 | <0.001 |
P<0.05, compared with control group
p<0.05, compared with SLE group. SLE, systemic lupus erythematosus; ANA, antinuclear antibody; ds-DNA, double-stranded DNA.