Table 3.
Low ScvO2 < 70 % | Normal 70 ≤ ScvO2 ≤ 80 | High ScvO2 > 80 % | |
---|---|---|---|
n = 35 | n = 90 | n = 77 | |
P(v-a) CO2 at T8 | 8 ± 4*,** | 6 ± 3** | 5 ± 4 |
Lactate at T8, mmol/L | 2.9 ± 3.8 | 1.9 ± 1.8 | 1.7 ± 1.7 |
8-h LC, % | 13 (−3 to 50) | 26 (1 to 50) | 40 (1 to 57) |
PI at T8 | 1.9 ± 1.7** | 2.0 ± 1.3** | 2.5 ± 1.6 |
Patients, n/total (%), PI ≤0.6 at T8 | 10/35 (29 %) | 15/90 (17 %) | 10/77 (13 %) |
Mortality at day 30, n/total (%) | 10/35 (29 %) | 13/90 (14 %) | 5/77 (6 %) |
Results are presented as mean ± SD or median (IQR) unless stated otherwise
ScvO 2 central venous oxygen saturation (%), P(v-a) CO 2 veno-arterial CO2 tension difference (mmHg), PI peripheral perfusion index, LC lactate clearance
*P <0.05 for comparison to normal
**p <0.05 for comparison to high