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Table 2 NIRS variables in healthy volunteers and ARDS patients

From: Microvascular reactivity is altered early in patients with acute respiratory distress syndrome

NIRS VARIABLE

VOLUNTEERS (n = 27)

ARDS

Total (n = 32)

Good evolution (n = 16)

Poor evolution (n = 16)

Survivors (n = 24)

Non-survivors (n = 8)

StO2 base (%)

79 (76–81)

75 (67–80)*

77 (72–80)

74 (60–80)

77 (73–80)

60 (59–76)*

THI base (au)

14.4 (12.8-15.4)

9.6 (6.8-10.8)**

9.7 (7.7-10.8)

9.0 (6.8-10.9)

9.8 (6.8-10.8)

7.9 (6.7-11.7)

StO2 max (%)

94 (90–94)

85 (76–90)**

87 (82–90)

84 (73–90)

87 (83–93)

73 (70–84)*

Desc slope (%/min)

10.3 (8.4-11.4)

9.6 (8.2-13.4)

11.3 (8.7-15.8)

8.8 (7.2-13.2)

11.3 (8.7-15.3)

8.1 (5.7-9.1)**

Asc slope (%/min)

258 (216–306)

185 (115–233)**

222 (170–293)

121 (90–209)**

212 (165–252)

95 (73–120)**

  1. * = p < 0.05 and ** = p < 0.01, ARDS patients compared to healthy volunteers, poor evolution compared to good evolution, and non-survivors compared to survivors