Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Characteristics of patients and sonographic parameters

From: Evaluation of sensitivity and accuracy of maternal serum alpha fetoprotein to the diagnosis of open spina bifida in comparison with sonographic findings of open spina bifida and Chiari II malformation in pregnant women

	N (%)
OSB
Positive	4 (7.3%)
Negative	51 (92.7%)
History of abortion
Positive	13 (23.6%)
Negative	32 (58.2%)
Acid folic use
Positive	33 (60%)
Negative	3 (5.5%)
Consanguineous marriage
Positive	1 (1.8%)
Negative	32 (58.2%)
Gestational diabet
Positive	1 (1.8%)
Negative	54 (98.2%)
Normal IT
Positive	51 (92.7%)
Negative	4 (7.3%)
Obliterated CM
Positive	51 (92.7%)
Negative	4 (7.3%)
Increased BS
Positive	51 (92.7%)
Negative	2 (3.6%)
Decreased BSOB
Positive	51 (92.7%)
Negative	2 (3.6%)
Increased BS/BSOB
Positive	51 (92.7%)
Negative	2 (3.6%)
Ventriculomegalia
Positive	52 (94.5%)
Negative	3 (5.5%)
Decreased BPD
Positive	0 (0%)
Negative	55 (100%)

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