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Table 4 Impact of different haemoglobin cut-offs on day of AKI I on risk of progression to AKI III

From: Anaemia is not a risk factor for progression of acute kidney injury: a retrospective analysis

Hb on day of AKI I

n

Progression to AKI III, n (%)

Sensitivity

Specificity

OR*

95 % CI

p value

>80 g/L

190

78 (41.0)

8.2 %

93.3 %

1

  

≤80 g/L

15

7 (46.7)

  

2.05

0.58–7.12

0.27

>100 g/L

134

55 (41.0)

64.7 %

34.2 %

1

  

≤100 g/L

71

30 (42.3)

  

1.40

0.70–2.83

0.35

  1. *Adjusted for arterial oxygen saturation, cardiac index, mechanical ventilation, coronary artery disease/congestive cardiac failure, arterial lactate, Sequential Organ Failure Assessment score, central venous pressure and mean arterial pressure
  2. AKI acute kidney injury, CI confidence interval, Hb haemoglobin, OR odds ratio
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