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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)