Group I (n=59) N of patients (%) Group II (n=58) N of patients (%) p
Chest pain* 39 (66.1) 19 (32.8) 0.001
Shortness of breath 49 (83.1) 40 (69) 0.86
Syncope* 10 (16.9) 0 0.01
Presyncope* 7 (11.9) 0 0.01
Hemoptysis 6 (10.2) 1 (1.7) 0.11
Palpitation 8 (13.6) 2 (3.4) 0.94
Cough* 19 (32.2) 33 (56.9) 0.01
Phlegm* 9 (15.3) 19 (32.8) 0.03
Fever* 12 (20.3) 24 (41.4) 0.01
Cyanosis 3 (5.1) 0 0.24
Table 2: Frequencies of symptoms in group I and II (*p<0.05).