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Table 3 Changes in ScvO2 after intubation for different subgroups

From: Impact of emergency intubation on central venous oxygen saturation in critically ill patients: a multicenter observational study

 

ScvO2 (%)

  
 

Before intubation

After intubation

P value

All patients

61.8 ± 12.6

68.9 ± 12.2

< 0.001

Presence of severe sepsis

   

   Yes (n = 48)

63.6 ± 11.9

71.1 ± 12.0

< 0.001

   No (n = 55)

59.3 ± 13.1

65.6 ± 11.6

< 0.001

According to baseline ScvO2

   

   < 70% (n = 76)

56 ± 8.4

64.8 ± 10.8

< 0.001

   ≥ 70% (n = 27)

78 ± 6.7

80.2 ± 8.1

0.181

According to baseline SaO2

   

   < 90% (n = 42)

54.1 ± 8.0

61.5 ± 11.4

< 0.001

   ≥ 90% (n = 61)

67.1 ± 12.5

73.0 ± 10.0

< 0.001

  1. SaO2 = arterial oxygen saturation; ScvO2 = central venous oxygen saturation.
  2. P < 0.05 considered as significant.