The Concordance between Myocardial Perfusion Imaging and Coronary Angiography in Detecting Coronary Artery Disease: A Retrospective Study in a Tertiary Cardiac Center at King Abdullah Medical City
Table 1
Patients’ characteristics according to the MPI results.
Characteristic
MPI +ve ()
MPI −ve ()
value
Age
59.63 ± 10.91
56.86 ± 11.33
0.0001
Gender
(i) Male
124 (69.3)
27 (55.1)
NS
(ii) Female
55 (30.7)
22 (44.9)
NS
Comorbidity
(i) Diabetes
119 (66.5)
31 (63.3)
NS
(ii) Hypertension
130 (72.6)
34 (69.4)
NS
(iii) Dyslipidemia
108 (60.3)
27 (55.1)
NS
(iv) Current smoker
32 (17.88)
5 (10.2)
NS
(v) Ex-smoker
18 (10.06)
6 (12.24)
NS
(vi) Nonsmoker
2 (1.12)
1 (2.04)
NS
Presentation
(i) Atypical chest pain
132 (73.74)
28 (57.14)
NS
(ii) Typical angina
16 (8.93)
4 (8.16)
NS
(iii) Shortness of breath
55 (30.73)
14 (28.57)
NS
Past medical history
(i) Myocardial infarction (MI)
46 (25.7)
4 (8.2)
0.01
(ii) Coronary angiography (CAG)
39 (21.8)
7 (14.3)
NS
(iii) Percutaneous coronary intervention (PCI)
58 (32.4)
7 (14.3)
0.01
(iv) Coronary artery bypass graft (CABG)
29 (16.2)
3 (6.1)
NS
Result of resting ECG
(i) Normal
94 (52.5)
30 (61.2)
NS
(ii) Abnormal
85 (47.5)
19 (38.8)
NS
Type of stress test
(i) Exercise (Bruce protocol)
22 (12.3)
11 (22.4)
NS
(ii) Pharmacological (adenosine stress test)
157 (87.7)
38 (77.6)
NS
NS: not significant; ECG: electrocardiogram. Data are numerical with percentages in the brackets or mean ± SD.