Table 1. Comparison between patients with and without RT.
| Category | RT (n=16) | No-RT (n=37) | P |
|---|---|---|---|
| Age (years) | 50 [37–63] | 53 [39–64] | 0.70 |
| Male | 12 (75.0) | 22 (59.5) | 0.28 |
| APACHE II at ICU admission | 18 [13–25] | 18 [14–22] | 0.73 |
| ARDS | 5 (31.3) | 7 (18.9) | 0.33 |
| Type of brain injury | 0.69 | ||
| Stroke | 6 (37.5) | 16 (43.2) | |
| Post-craniotomy for brain tumors | 4 (25.0) | 12 (32.4) | |
| TBI | 6 (37.5) | 9 (24.3) | |
| Infratentorial lesions | 6 (37.5) | 17 (45.9) | 0.57 |
| SOFA at inclusion | 7 [5–8] | 5 [4–7] | 0.06 |
| GCS at inclusion | 9 [5–11] | 10 [5–11] | 0.81 |
| PaO2/FiO2 ratio at inclusion (mmHg) | 178.0 [123.1–288.1] | 272.5 [185.8–396.3] | 0.009 |
| PaCO2 at inclusion (mmHg) | 41.5 [34.0–47.3] | 37.0 [32.5–40.0] | 0.15 |
| Comorbidity | |||
| COPD | 0 | 2 (5.4) | >0.99 |
| Hypertension | 7 (43.8) | 14 (37.8) | 0.69 |
| Diabetes mellitus | 4 (25.0) | 6 (16.2) | 0.47 |
| Coronary heart disease | 2 (12.5) | 4 (10.8) | >0.99 |
| Outcomes | |||
| ICU mortality | 4 (25.0) | 4 (10.8) | 0.22 |
| In-hospital mortality | 5 (31.3) | 5 (13.5) | 0.15 |
Categorical variables are shown as number (percentage); continuous variables are shown as median [interquartile range]. RT, reverse triggering; APACHE II, Acute Physiology and Chronic Health Evaluation II; ICU, intensive care unit; ARDS, acute respiratory distress syndrome; TBI, traumatic brain injury; SOFA, Sequential Organ Failure Assessment; GCS, Glasgow Coma Scale; PaO2, partial pressure of oxygen; FiO2, fraction of inspired oxygen; PaCO2, partial pressure of carbon dioxide in artery; COPD, chronic obstructive pulmonary disease.