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Table 5 Scoring guideline for the proposed obstetric EWS algorithm

From: Development and validation of an obstetric early warning system model for use in low resource settings

Parameters 2 1 0 1 2
Temperature < 35 35- < 36 36 - < 38   > 38
Pulse rate < 40 40 - < 50 50 - < 100 100–120 > 120
Respiratory rate 0–10   11–20 21–30 > 30
Systolic blood pressure < 90 90- < 100 100 - < 150 150–160 > 160
Urine volume (ml/hour) < 20 20–30 > 30   
Mode of birth CS   Vaginal birth   CS
Consciousness level
(AVPU)
Response to pain/ unresponsive Response to voice Alert Response to voice Response to pain/ unresponsive