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Table 1: Demographic characteristics, presenting symptoms and signs of 339 patients with Spontaneous Pneumomediastinum

From: Spontaneous primary pneumomediastinum: is it always benign?

Demographics Frequency
Age (years) 22.4 ± 11.3
Sex
Male 243 (71.7)
Female 96 (28.3)
Hospital Stay (Days) 4.15 ± 1.93
Symptoms
Dyspnea 156 (46)
Chest pain 196 (57.8)
Cough 95 (28)
Neck swelling 92 (27.13)
Cervical Pain 88 (25.9)
Dysphagia 39 (11.5)
Odynophagia 37 (10.9)
Dysphonia 14 (4.1)
Signs
Crepitus over Chest and Neck 154 (45.4)
Tachypnea 21 (6.1)
Fever 16 (4.7)
Hamman’s sign 38 (11.2)
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