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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