Table 1.

Baseline characteristics^a

Characteristic	Sham (n = 5)	TCA (n = 9)	Ulinastatin (n = 7)	p b
Body weight (kg)	35.00 ± 1.41	31.75 ± 3.99	31.67 ± 1.51	0.119
Heart rate (bpm)	86 ± 8	85 ± 15	85 ± 13	0.978
ETCO2/mmHg	40 ± 2	39 ± 2	39 ± 2	0.623
MAP (mmHg)	117 ± 5	104 ± 16	106 ± 13	0.221
Death/survival	0/5	1/8	1/6	0.725

^amean ± SD. ETCO₂ end-tidal carbon dioxide, MAP mean aortic blood pressure, TCA traumatic cardiac arrest

^bThere were no significant differences among the groups (one-way analysis of variance)