Holte et al monitored neonates being resuscitated after delivery. They identified predictors for survival after 24 hours. The authors are from multiple institutions in Norway and Tanzania.
Patient selection: neonate requiring resuscitation
Outcome: survival at 24 hours
Parameters:
(1) percent expired CO2
(2) heart rate in beats per minute
Percent Expired CO2 (Figure 2)
Ventilation Time
Survivors
Non-Survivors
0 seconds
> 1%
< 1%
30 seconds
> 2%
< 2%
60 seconds
> 3%
< 2.2%
Heart Rate (Figure 2)
Ventilation Time
Survivors
Non-Survivors
0 seconds
> 80
<80
30 seconds
>110
<100
60 seconds
>120
<105
Performance:
• The area under the ROC curve for various measures of maximum percent expired CO2 ranged from 0.62 to 0.72.
• The area under the ROC curve for various measures of maximum heart rate ranged from 0.64 to 0.67.
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