Table 2.

Comparison of basic demographics between patient groups

	Group 1 (n = 30)	Group 2 (n = 31)	p
Age (mean ± SD)	48.00 ± 16.49	55.06 ± 20.49	0.146
Gender (male)	21 (70.4%)	24 (77.4%)	0.510
ISS	25.47 ± 5.61	25.45 ± 6.45	0.992
Mechanism of injury			0.988
Motorcycle	23	23
Car	2	2
Fall	2	2
Walk or bicycle	3	4
Number of ribs fractured	5.73 ± 3.86	6.00 ± 3.34	0.774
Pulmonary contusion scores	6.50 ± 1.83	6.39 ± 1.96	0.817
Thoracic AIS	3.13 ± 0.43	3.32 ± 0.60	0.163
Head AIS	3.20 ± 0.48	3.29 ± 0.53	0.489
GCS at ED	11.67 ± 3.69	11.81 ± 2.86	0.869
GCS at discharge	14.10 ± 2.52	14.10 ± 3.05	0.869
Acute respiratory failure in 24 h	17 (56.7%)	19 (61.3%)	0.714

ISS Injury Severity Score, AIS anatomic injury score