Table 2.

Parameters of the submitted records.

Attribute	Duration	Total submitted records for Group A, n	Total submitted records for Group B, n
PaO2	Every 48 hours	238	324
PaCO2	Every 48 hours	238	324
pH	Every 48 hours	238	324
Temperature	Every 24 hours	476	648
Respiratory rate	Every 24 hours	476	648
Oxygen saturation	Every 24 hours	476	648
Heart rate	Every 24 hours	476	648
Blood pressure	Every 24 hours	476	648