Table 4.

Determinants of shock in the emergency department.

Shock determinant	Physician diagnosis; number (%)	Consensus criteria; number (%)	p-value
Vasopressor administration	18 (14.9)	4 (1.7)	< 0.01*
Lactate > 4.0 mmol/L	11 (9.1)	11 (4.5)	0.09
SBP < 90 mmHg after 2L IVF	40 (33.1)	28 (11.5)	< 0.01*
Total with shock	52 (43.0)	38 (15.6)	< 0.01*

IVF, intravenous fluids; SBP, systolic blood pressure.

Note that patients may exhibit more than one criteria for shock.

^*denotes statistical significance of p < 0.05.