Research Article

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.

CharacteristicMPI +ve
()
MPI −ve
()
value

Age59.63 ± 10.9156.86 ± 11.330.0001

Gender
 (i) Male124 (69.3)27 (55.1)NS
 (ii) Female55 (30.7)22 (44.9)NS

Comorbidity
 (i) Diabetes119 (66.5)31 (63.3)NS
 (ii) Hypertension130 (72.6)34 (69.4)NS
 (iii) Dyslipidemia108 (60.3)27 (55.1)NS
 (iv) Current smoker32 (17.88)5 (10.2)NS
 (v) Ex-smoker18 (10.06)6 (12.24)NS
 (vi) Nonsmoker2 (1.12)1 (2.04)NS

Presentation
 (i) Atypical chest pain132 (73.74)28 (57.14)NS
 (ii) Typical angina16 (8.93)4 (8.16)NS
 (iii) Shortness of breath55 (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) Abnormal85 (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.