Direct MAR test | Retrospective group | Prospective group | Independent Student’s t-test | ||
N | % | N | % | ||
Total | 76 | 2.69 | 25 | 7.88 | P < 0.001 |
IgG | 40 | 1.41 | 7 | 2.20 | P = NS |
IgA | 22 | 0.77 | 12 | 3.78 | P < 0.001 |
IgG& IgA | 14 | 0.49 | 6 | 1.89 | P < 0.01 |