Family history | Anti-IgG (%) | Odd ratio | 95% CI | P value | EF |
Negative | 39/109 (35.8) | Ref |
|
|
|
Positive past history | 17/34 (50.0) | 1.79 | (0.82 - 3.91) | 0.141[NS] | 0.221 |
Positive current history | 23/37 (62.2) | 2.95 | (1.37 - 6.37) | 0.006 | 0.411 |