9.4. ACD Risk Performance

The risk for pHa < 7.25 in different bins of the ACD Index is summarized in . Note the monotonic increase of risk between bins in both data sets, which, as summarized in , is statistically significant. 

champ.png

Data Set

ACD ≤ 25

p-value

25 < ACD ≤ 50

p-value

50 < ACD ≤ 75

p-value

75 < ACD 

Full

0.61

<0.0001

4.84

<0.0001

17.22

<0.0001

48.07

Minimum (with EtCO2) 

0.67

<0.0001

4.79

<0.0001

17.14

<0.0001

51.76

Minimum (with PCO2) 

1.21

<0.0001

6.20

<0.0001

12.22

<0.0001

30.22