Table 2.
Primary and secondary outcomes
| AcumenIQ | Flotrac | Test Statistic | |
|---|---|---|---|
| (N = 17) | (N = 17) | ||
| Number of hypotensive pts | 7/17 | 13/17 | Χ2 = 4.37, P = 0.042 |
| Hypotensive events per patient | 0.0 0.0 1.3 | 0.7 2.0 3.3 | F = 6.94, P = 0.013 |
| Duration of hypotension (min) | 0.0 0.0 2.2 | 0.7 3.7 7.8 | F = 7.61, P = 0.013 |
| MAP during event (mmHg) | 60.6 62 63.3 | 60 61.2 62.2 | F = 0.02, P = 0.903 |
| AUT (mmHg x minutes) | 0.6 2.0 15.2 | 3.6 16.7 43.3 | F = 4.41, P = 0.043 |
| TWA of AUT (mmHg) | 0 0.01 0.08 | 0.02 0.08 0.22 | F = 4.33, P = 0.043 |
| Patients with MAP < 50 mmHg | 0/17 | 2/17 | Χ2 = 2.13, P = 0.152 |
| Crystalloids (ml/kg/h) | 9.5 11.8 14.5 | 11.1 13.6 16.2 | F = 0.89, P = 0.353 |
| Colloids (ml/kg/h) | 0.0 0.0 1.5 | 0.0 0.0 2.3 | F = 0.14, P = 0.723 |
| RBC (ml/kg/h) | 0.0 0.0 0.2 | 0.0 0.0 0.0 | F = 2.47, P = 0.133 |
| Norepinephrine (µg/kg/min) | .01 .01 .02 | .00 .01 .03 | F = 0.09, P = 0.763 |
| Urine output (ml/kg/h) | 2.3 2.7 3.6 | 2.6 3.4 5.1 | F = 1.26, P = 0.273 |
| Lactate (mmol/L) | 0.7 0.9 1.2 | 0.7 1.1 1.3 | F = 0.68, P = 0.423 |
| BE (mmol/L) | -2.8 -1.0 0.8 | -3.8 -1.7 -0.8 | F = 1.61, P = 0.213 |
| pH | 7.3 7.3 7.4 | 7.3 7.3 7.4 | F = 1.01, P = 0.323 |
| ScVO2 (%) | 74.0 81.2 84.1 | 71.0 74.8 81.7 | F = 1.22, P = 0.283 |
| Arterio-venous CO2 gap (kPa) | 0.7 0.9 1.1 | 0.5 0.9 1.2 | F = 0.14, P = 0.713 |
| Mechanical ventilation (h) | 0.0 0.0 2.2 | 0.0 0.0 0.0 | F = 1.51, P = 0.233 |
| ICU stay (h) | 19.0 21.5 28.7 | 19.7 22.0 22.0 | F = 0.09, P = 0.773 |
| Hospital stay (d) | 7.0 9.0 12.3 | 7.0 7.0 9.3 | F = 2.23, P = 0.153 |
| Myocardial infarction (Y/N) | 0/17 | 0/17 | N/A |
| Cerebrovascular infarction (Y/N) | 0/17 | 0/17 | N/A |
| Acute kidney injury (Y/N) | 0/17 | 1/16 | Χ2 = 1.03, P = 0.312 |
| Alive/dead at discharge | 16/1 | 17/0 | Χ2 = 1.03, P = 0.312 |
| Alive/dead at day 28 | 16/1 | 17/0 | Χ2 = 1.03, P = 0.312 |
Median and IQR. 1Kruskal-Wallis, 2chi-squared, 3Mann-Whitney