| | |
Negative CT pulmonary angiography
|
Positive CT pulmonary angiography
|
Total
|
Pearson Chi-Square value
|
P value
|
Sig.
|
|---|
|
Sex
|
Female (No/percentage)
|
26 (46.4%)
|
12 (30%)
|
38 (39.6%)
|
1.317
|
0.251
|
NS
|
|
Male (No/percentage)
|
30 (53.6%)
|
28 (70%)
|
58 (60.4%)
|
|
Total
|
56
|
40
|
96
| | | |
|
The main complaint at the time of CTPA
|
Desaturation
|
10 (17.9%)
|
18 (45%)
|
28 (29.2%)
|
4.160
|
0.041*
|
S
|
|
Hemoptysis
|
2 (3.6%)
|
12 (30%)
|
14 (14.6%)
|
6.542
|
0.011*
|
S
|
|
Progressive dyspnea
|
36 (64.3%)
|
28 (70%)
|
64 (66.7%)
|
0.171
|
0.679
|
NS
|
|
Tachycardia
|
4 (7.1%)
|
10 (25%)
|
14 (14.6%)
|
2.987
|
0.084
|
NS
|
|
Chest pain
|
10 (17.9%)
|
18 (45%)
|
28 (29.2%)
|
4.160
|
0.041*
|
S
|
|
Rising D-dimer level
| |
6 (10.7%)
|
32 (80%)
|
38 (39.6%)
|
23.419
|
0.000^
|
HS
|
|
NCCT interpretation by RSNA
|
Typical
|
34 (60.7%)
|
22 (55%)
|
56 (58.3%)
|
5.094
|
0.165
|
NS
|
|
Indeterminate
|
12 (21.4%)
|
12 (30%)
|
24 (25%)
|
|
Atypical
|
2 (3.6%)
|
6 (15%)
|
8 (8.3%)
|
|
Negative
|
8 (14.3%)
|
0 (0%)
|
8 (8.3%)
|
|
Total
|
56
|
40
|
96
|
|
Progressive NCCT
| |
4 (7.1%)
|
36 (90%)
|
40 (41.7%)
|
32.953
|
0.000^
|
HS
|
- NCCT Non-contrast CT
- *P value < 0.05 is considered significant
- ^P value < 0.01 is considered highly significant
