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Presence of Kerley A-lines on CXR and thickened septal lines on CT
| Thickened septal lines on CT | Total | ||
|---|---|---|---|
| Positive | Negative | ||
| Kerley A-lines on CXR | |||
| Positive | 20 (91%) | 2 (9%) | 22(16%) |
| Negative | 65 (56%) | 52 (44%) | 117 (84%) |
| Total | 85 (61%) | 54 (39%) | 139 |
CXR chest X-ray, CT computed tomography
