Table 1. Baseline characteristic of the two populations
| Parameter | Hypertension | Normotension | p value |
|---|---|---|---|
| pH | 7.26±0.12 | 7.33±0.12 | <0.01 |
| PaCO2, mmHg | 53±17 | 47±15 | <0.01 |
| PiO2/FiO2 ratio | 210±90 | 190±82 | 0.02 |
| Heart Rate | 112±20 | 101±26 | <0.01 |
| Respiratory rate | 34±7 | 31±7 | <0.01 |
| Lactate, mmol/L | 3.04±2.08 | 2.90±2.61 | 0.59 |