Table 2 Differences in cerebral tissue oxygen saturation between the ROSC and non-ROSC groups

SnO₂ (%)

  Initial

37.5 (29.1–62.8)

24.2 (− 4.8 to 37.0)

0.015

  Mean

44.6 (28.1–51.9)

10.8 (− 2.8 to 35.5)

 < 0.001

  Maximum

79.7 (71.7–93.5)

58.4 (49.7–69.3)

 < 0.001

TOI (%)

  Initial

42.7 (34.2–47.6)

37.2 (30.7–43.1)

0.435

  Mean

45.1 (41.1–49.4)

36.8 (32.3–43.2)

0.018

  Maximum

71.0 (52.2–78.1)

46.3 (40.4–53.4)

0.001