Volume 1, Number 4—October 1995
Dispatch
Are North American Bunyamwera Serogroup Viruses Etiologic Agents of Human Congential Defects of the Central Nervous System?
Table 2
Mothers of macrocephalic infants | No. | Antibody-positive controls | Antibody-negative controls |
---|---|---|---|
Antibody to CV virus | 16 | 3 | 13 |
No antibody to CV virus | 184 | 5 | 179 |
McNemar's test a | |||
Antibody to TEN virus | 15 | 1 | 14 |
No antibody to TEN virus | 185 | 5 | 180 |
McNemar's test b | |||
Antibody to CV or TEN virus (or both) | 19 | 3 | 16 |
No antibody to CV or TEN virus | 181 | 5 | 176 |
McNemar's test c |
a (13-5)2/18 = 3.556 (d.f. = 1), p > 0.05.
b (14-5)2/19 = 4.263 (d.f. = 1),p <0.05.
c (16-5)2/21= 5.762 (d.f. = 1), p <0.02.
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