Exclusion criteria
| Patients failed to accept enrolment in the study |
| Patients with unstable vital signs |
| Uncooperative and disoriented patients |
| Patients who had already been evaluated in the same study |
| Patients with established diagnoses other than NSCP |
| Patients with documented coronary artery disease |
| Patients with a history of trauma to chest wall, back or abdomen within the previous week |