Table 2 Baseline parameters and therapeutic interventions
| Parameters | Doppler group (n = 80) | Control group (n = 82) | p |
|---|---|---|---|
| Mean arterial pressure (mm Hg) | 65 (60–71) | 65 (55–75) | 0.71 |
| Central venous pressure (mm Hg) | 7.1 ± 2.1 | 6.8 ± 2.1 | 0.34 |
| Lactate (mmol/l) | 4.2 (3.2–5.2) | 3.9 (3.0–4.7) | 0.08 |
| Intervention | |||
| Norepinephrine (patients) | 58 (73%) | 57 (70%) | 0.73 |
| Norepinephrine (μg/kg per minute) | 0.23 (0.14–0.60) | 0.21 (0.12–0.41) | 0.25 |