Table 2.

Comparison of sex, age, vital signs on admission, and time elapsed between exposure and admission between the case and control groups.

Variables	Case group (Evac ETT)	Control group (C-ETT)	P value
Male	26 (60.5%)	30 (62.5%)	0.84∗
Female	17 (39.5%)	(37.5%)
Age	35.4 ± 13.7	32.2 ± 15.2	0.16‡
Systolic blood pressure	109 ± 20	117 ± 25	0.09†
Temperature	37 ± 1	37 ± 1	0.97‡
Pulse rate	93 ± 21	99 ± 26	0.2†
Time elapsed between exposure and admission	5.7 ± 6.2	4.5 ± 4.7	0.27‡

^†Based on t-test. ^‡Based on Mann-Whitney test. ^∗Based on Chi-square test.