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Obstetrics and Gynecology International
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Special Issues
Obstetrics and Gynecology International
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2019
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Article
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Tab 2
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Research Article
Rate of Nondiagnostic Computerized Tomography Pulmonary Angiograms (CTPAs) Performed for the Diagnosis of Pulmonary Embolism in Pregnant and Immediately Postpartum Patients
Table 2
The effect of normal chest X-rays on CTPA nondiagnosis (ND).
Pregnant/postpartum patients
Frequency of CXR completion prior to CT
Number of normal CXR
Number of ND CTPAs in patients with normal CXR
55/83
38/55
16/38
66.27%
69.10%
42.10%
# abnormal CXR
# ND CTPAs in patients with abnormal CXR
17/55
8/17.0
30.90%
47.10%
Non pregnant/postpartum patients
Frequency of CXR completion prior to CT
Number of normal CXR
Number of ND CTPAs in patients with normal CXR
66/89
41/66
10/41
74.1%
62.1%
24.39%
# abnormal CXR
# ND CTPAs in patients with abnormal CXR
25/66
11/25
37.80%
44.0%