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Table 2 Vasoocclusive testing parameters at initial presentationa

From: The association of near-infrared spectroscopy-derived tissue oxygenation measurements with sepsis syndromes, organ dysfunction and mortality in emergency department patients with sepsis

StO2 parameters

Groups (N= 168)

P values

 

SHOCK

( n = 58)

SEPSIS

( n = 60)

Control

( n = 50)

SHOCK vs SEPSIS

SHOCK vs control

SEPSIS vs control

Initial, %

76 ± 9

(78)

82 ± 7

(82)

79 ± 7

(79)

< 0.001*

0.23

< 0.02

Occlusion, %/second

-10.2 ± 5.2 (-9.6)

-13.1 ± 4.4 (-13.1)

-11.3 ± 4.5 (-10.8)

< 0.002*

0.21

< 0.03

Recovery, %/second

2.4 ± 1.6 (2.0)

3.9 ± 1.7 (4.1)

3.8 ± 1.7 (3.8)

< 0.001*

< 0.001*

0.52

  1. aSHOCK: the septic shock cohort (systolic blood pressure < 90 mmHg after fluid challenge); SEPSIS: the sepsis without shock cohort; Control: emergency department patients without infection; StO2: tissue oxygen saturation; *Wilcoxon two-sample test; statistically significant using P = 0.017 with the Bonferroni correction. Data are means ± SD (medians).