Table 2: Hospital stay, incidence of surgical exploration, and injured structures in both groups.

ParameterGroup I (living 𝑛 = 4 3 )Group II (died 𝑛 = 6 )Total ( 𝑛 = 4 9 ) 𝑃 value

Hospital stay mean (SD; days)6.6 (3.4)2 (1)6.6 (3.4)0.002
Range (days)1–181–31–18

Indication of surgical exploration
 Profuse hemorrhage and shock9 (21)09 (18.4)
 Subcutaneous emphysema5 (11.6)1 (16.7)6 (12.2)NA
 Expanding hematoma2 (4.7)1 (16.7)3 (6.1)
 Foreign body (FB) removal3 (7)03 (6.1)

Injured structure (%)
 Soft tissue23 (50)023 (46.9)
 Arterial4 (9.3)1 (16.7)5 (10.2)
 Venous10 (23.3)010 (20.4)
 Larynx and trachea3 (7)03 (6.1)NA
 Pharynx and esophagus2 (4.7)02 (4.1)
 Spine and neurologic1 (2.3)1 (16.7)2 (4.1)
 Combined vascular and aerodigestive04 (66.7)4 (8.1)