Research Article
The Value of Cerebral CT Angiography with Low Tube Voltage in Detection of Intracranial Aneurysms
Table 4
The results of C-CTA and L-CTA in detection of various sizes of aneurysms.
| |
Size of aneurysms | C-CTA | L-CTA | Detection rate |
Chi-square value | value | Detection
number | Missing
number | Detection
number | Missing
number | C-CTA | L-CTA |
| | ≥5 mm | 62 | 1 | 59 | 1 | 98.41% | 98.33% | ⋯ | 1.0 | | 3~5 mm | 60 | 3 | 49 | 2 | 95.24% | 96.08% | 0.000 | 1.0 | | <3 mm | 18 | 5 | 10 | 3 | 78.26% | 76.92% | 0.000 | 1.0 |
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