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Table 3 The Predictive value of the shock index

From: An audit of the initial resuscitation of severely ill patients presenting with septic incomplete miscarriages at a tertiary hospital in South Africa

Shock index – 1 to predict the need for blood transfusion

SI-1 > 0.9

Transfusion

29

Sensitivity 82.9%

No transfusion

9

SI-1 ≤ 0.9

Transfusion

6

Specificity 25%

No transfusion

3

Shock Index – 2 to predict mortality

SI-2 ≥ 1

TAH

11

Sensitivity 100%

SAMM

23

Maternal death

9

Organ dysfunction

32 (19 multi-organ)

SI-2 < 1

TAH

5

Specificity 39.5%

SAMM

15

Maternal death

0

Organ dysfunction

15 (4 multi-organ)

  1. SI-1 – shock index on admission.
  2. SI-2 – shock index on arrival in theatre or last vitals before death.