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Table 3 Sepsis definitions used by guidelines

From: Recommendations for fluid management of adults with sepsis in sub-Saharan Africa: a systematic review of guidelines

Cecconi et al. [19]“Life-threatening, generalized form of acute circulatory failure associated with inadequate oxygen utilization by the cells”
Dunser et al. [22]Sepsis-2* modified to replace criteria based on white blood cell count with “malaise and/or apathy”
Hollenberg et al. [20]Haemodynamic support considered for hypoperfusion(defined as systolic BP < 90 mmHg, MAP < 65 mmHg, fall of systolic BP > 40 mmHg, change in mental status, decrease in urine output, increased lactate)
NICE [16]Clinical suspicion of infection, with risk criteria for death(e.g.altered mental status, evidence of microvascular perfusion defect—mottled/delayed capillary refill time, high respiratory rate)
Reinhart et al. [23]Sepsis-2*
Rhodes et al. [9]Sepsis-3
WHO [21]Severe sepsis/septic shock defined as suspected infection plus hypotension (systolic BP < 90 mmHg) plus ≥ 1 ofpulse > 100 bpm, respiratory rate > 24, temperature < 36 °C or > 38 °C
Published definitions
*Sepsis-2 [24]Sepsis: Proven or highly suspected infection plus presence of ≥ 2 of the following conditions: heart rate > 90 bpm, respiratory rate ≥ 20/min or PaCO2 < 32 mmHg, temperature < 36 °C or > 38 °C, white blood cell count < 4 × 106 or > 12 × 106 g/L or > 10% immature forms
Severe sepsis: Sepsis plus confusion, hypoxaemia or elevated lactate
†Sepsis-3 [1]Sepsis: Life-threatening organ dysfunction caused by a dysregulated host response to infection
Organ dysfunction: ≥ 2 points on qSOFA score, with 1 point scored for each of the following: respiratory rate > 22/min, altered mentation, systolic BP ≤ 100 mmHg