Table 3 Distribution of patients with vascular angiopathy and morphological CT signs according to low versus high TOS and negative versus positive pulmonary embolism with significant statistical analysis
Radiological signs | Low TOS (≤ 10) (Na = 18 patients) | High TOS (> 10) (N = 55 patients) | ||||
|---|---|---|---|---|---|---|
Negative PEa | Positive PE (N=3) | Negative PE | Positive PE (N=21) | |||
Vascular angiopathy CTPA signs | ||||||
1. | Pulmonary “vascular enlargement” | Present (T=57) | 13 | 0 | 34 | 10 (overlap) |
Absent | 2 | 3 | 0 | 11 | ||
X2a | 0.4794 | |||||
P value | 0.488706 (>0.05) → No significant relation to TOS | |||||
2. | Pulmonary hypertension | Present (T=14) | 0 | 3 (overlap) | 0 | 11 (overlap) |
Absent | 15 | 0 | 34 | 10 | ||
X2 | 0.0972 | |||||
P value | 0.755197 (>0.05) → No significant relation to TOS | |||||
3. | Vascular “tree in bud” | Present (T=10) | 2 | 0 | 8 | 0 |
Absent | 13 | 3 | 26 | 21 | ||
X2 | 0.1353 | |||||
P value | 0.712997 (>0.05) → No significant relation to TOS | |||||
4. | Pulmonary infarction | Present (T=3) | 0 | 0 | 0 | 3 (overlap) |
Absent | 15 | 3 | 34 | 18 | ||
X2 | 0.9868 | |||||
P value | 0.3205 (>0.05) → No significant relation to TOS | |||||
Other morphological CT signs: | ||||||
1. | Crazy-paving | Present (T=44) | 6 | 2 | 18 | 18 |
Absent | 9 | 1 | 16 | 3 | ||
X2a | 2.5001 | |||||
P value | 0.1138 (>0.05) → No significant relation to TOS | |||||
2. | Consolidations | Present (T=62) | 12 | 3 | 34 | 13 |
Absent | 3 | 0 | 0 | 8 | ||
X2a | 0.0477 | |||||
P value | 0.8271 (>0.05) → No significant relation to TOS | |||||
3 | Pleural effusion | Present (T=6) | 0 | 1 | 1 | 4 |
Absent | 15 | 2 | 33 | 17 | ||
X2a | 0.2247 | |||||
P value | 0.6355 (>0.05) → No significant relation to TOS | |||||
4. | Enlarged L.Ns | Present (T=19) | 0 | 1 | 15 | 3 |
Absent | 15 | 2 | 19 | 18 | ||
X2a | 4.6925 | |||||
P value | 0.0303 (<0.05) → Significant relation to TOS | |||||