Table 3.

Ranges of shock index (systolic blood pressure/heart rate) at presentation

Shock index	Number of patients	%
≤0.7	210	35.8
>0.7 ≤ 1	225	38.3
>1 ≤ 1.3	101	17.2
>1.3	51	8.7
Subtotal	587
Insufficient data	31
Total	618