Table 1.
Demographics and vital signs at (T1) before surgery
| Variable | Cardiac surgery group | Non-cardiac surgery group | p-value |
|---|---|---|---|
| Patients, n | 38 | 35 | - |
| Female, n (%) | 16 (42%) | 15 (43%) | 0.810 |
| Age, years | 0.62 (0.31–3.37) | 1.29 (0.58–3.57) | 0.085 |
| Neonate, n (%) | 5 (13%) | 0 (0%) | 0.027* |
| Genetic disorders, n (%) | 8 (21%) | 0 (0%) | < 0.001* |
| Cyanotic heart defect, n (%) | 10 (26%) | - | - |
| ASA physical status classification | |||
| I | 0 | 25 (71%) | < 0.001* |
| II | 8 (21%) | 10 (29%) | |
| III | 28 (74%) | 0 | |
| IV | 2 (5%) | 0 | |
| Mean arterial pressure, mmHg | 56 (48–63)a | 59 (56–64)b | 0.096 |
| Heart rate, bpm | 122 (103–129) | 125 (118–138) | 0.027* |
| Peripheral oxygen saturation, % | 97 (92–100) | 100 (99–100) | < 0.001* |
| Fraction inspired oxygen, % | 35 (28–50) | 43 (40–66) | 0.003* |
| End tidal CO2, kPa | 5.2 (4.9–6.3) | 5.7 (5.4–5.8) | 0.847 |
| Core body temperature, °C | 36.4 (35.5–36.7) | 36.7 (36.4–36.9) | 0.029* |
Data from (T1) before surgery are shown. Continuous data are presented as median (interquartile range) and categorical data as n (%).The last column shows the p-values based on the Mann-Whitney U test for continuous data and the Pearson chi-square test for categorical data. ASA American Society of Anesthesiologists
*A p-value < 0.05 was considered significant
aAssessed with an arterial catheter
bAssessed with non-invasive blood pressure measurements