Table 1.
Patient, demographic, prognostic and in-hospital factors in in a cohort of 80,324 strokes and traumatic brain injury
| Characteristic | Patients, No. (%) | ||
|---|---|---|---|
| Total (n = 80,324) | RSI (n = 1776) | No-RSI (n = 78,548) | |
| Demographic | |||
| Age, mean (SD), years | 61.6 (22.5) | 52.2 (22.5) | 61.8 (24.2) |
| Sex | |||
| Male | 46,726 (58.1) | 1125 (63.3) | 45,601 (58.1) |
| Female | 33,598 (41.8) | 651 (36.7) | 32,947 (41.6) |
| Illness | |||
| Haemorrhagic stroke | 11,133 (13.9) | 531 (29.9) | 10,602 (13.5) |
| Ischemic stroke | 26,754 (33.3) | 242 (13.6) | 26,512 (33.8) |
| Traumatic brain injury | 42,437 (52.9) | 1003 (56.5) | 41,434 (52.8) |
| Illness severity/comorbidity, mean (SD) | |||
| Elixhauser comorbidity scorea | 17.2 (7.0) | 17.3 (6.6) | 17.2 (7.0) |
| Initial Glasgow Coma Scale | 13.5 (2.8) | 6.4 (3.6) | 13.7 (2.5) |
| Observations, mean (SD) | |||
| Initial pulse rate | 85.4 (19.5) | 92.9 (28.8) | 85.2 (19.2) |
| Final pulse rate | 82.6 (18.0) | 101.5 (22.4) | 82.1 (17.6) |
| Initial systolic blood pressure | 140.6 (31.5) | 145.7 (41.8) | 140.5 (31.2) |
| Final systolic blood pressure | 139.3 (28.5) | 136.4 (29.7) | 139.3 (28.5) |
| Initial respiratory rate | 17.7 (4.6) | 18.3 (8.0) | 17.7 (4.5) |
| Final respiratory rate | 16.9 (4.0) | 12.2 (7.5) | 17.0 (3.8) |
| Initial SPO2 | 96.1 (5.1) | 94.1 (9.6) | 96.1 (4.9) |
| Final SPO2 | 97.2 (3.4) | 98.5 (4.6) | 97.2 (3.3) |
| Ambulance time intervals, minutes mean (SD) | |||
| Response time | 21.1 (23.1) | 19.2 (18.9) | 21.2 (23.2) |
| Scene time | 24.3 (99.9) | 60.7 (35.0) | 23.4 (100.7) |
| Transport time | 25.6 (21.0) | 31.5 (23.5) | 25.5 (20.9) |
| Hospital | |||
| Time in intensive care unit, mean (SD), hours | 125.2 (161.3) | 156.9 (172.2) | 119.4 (158.5) |
| Mechanical ventilation in intensive care unit, mean (SD), hours | 106.8 (148.9) | 117.9 (144.6) | 103.8 (150.0) |
| Hospital length of stay, mean (SD), days | 6.8 (10.2) | 13.3 (20.5) | 6.6 (9.8) |
| Emergency department length of stay mean (SD), minutes | 426.1 (318.7) | 272.2 (214.8) | 430.2 (320.0) |
| Year | |||
| 2008 | 6497 (8.1) | 148 (8.3) | 6349 (8.1) |
| 2009 | 7435 (9.3) | 142 (8.0) | 7293 (9.3) |
| 2010 | 7834 (9.8) | 167 (9.4) | 7667 (9.8) |
| 2011 | 8614 (10.7) | 215 (12.1) | 8399 (10.7) |
| 2012 | 8293 (10.3) | 205 (11.5) | 8088 (10.3) |
| 2013 | 7962 (9.9) | 194 (10.9) | 7768 (9.9) |
| 2014 | 6416 (8.0) | 123 (6.9) | 6293 (8.0) |
| 2015 | 8581 (10.7) | 164 (9.2) | 8417 (10.7) |
| 2016 | 9101 (11.3) | 221 (12.4) | 8880 (11.3) |
| 2017 | 9591 (11.9) | 197 (11.1) | 9394 (12.0) |
aScaled to avoid negative values