Table 2 Comparison of changes in vital signs in a cohort of 80,324 strokes and traumatic brain injury
Change in vital signa | RSI (mean; 95% CI) | No-RSI (mean; 95% CI) | Difference (95% CI; P) |
|---|---|---|---|
Haemorrhagic strokes | |||
Systolic blood pressure (mmHg) | −15.8 (−17.8 to −13.9) | −2.0 (−2.4 to −1.6) | −13.8 (− 15.8 to − 11.8; p < 0.001) |
SPO2 (%) | 2.0 (1.4 to 2.5) | 1.8 (1.7 to 2.0) | 0.1 (−0.5 to 0.7; p = 0.72) |
Respiratory rate (per minute) | −5.8 (−6.1 to −5.5) | −0.4 (− 0.5 to − 0.4) | −5.4 (− 6.1 to − 5.5; p < 0.001) |
Glasgow Coma Scale (unit) | −3.5 (−3.6 to −3.3) | − 0.08(− 0.1 to − 0.04) | −3.4 (− 3.5 to − 3.2; p < 0.001) |
Pulse (per minute) | 13.2 (11.9 to 14.3) | −1.7 (− 1.9 to − 1.4) | 14.8 (13.6 to 16.1; p < 0.001) |
Ischemic strokes | |||
Systolic blood pressure (mmHg) | −9.8 (− 12.1 to − 1.1) | −1.3 (− 1.5 to − 1.1) | −8.5 (− 10.8 to − 6.2; p < 0.001) |
SPO2 (%) | 4.2 (3.6 to 4.8) | 1.2 (1.1 to 1.3) | 3.0 (2.3 to 3.6; p < 0.001) |
Respiratory rate (per minute) | −6.8 (−7.1 to − 6.5) | −0.5 (− 0.48 to − 0.43) | − 6.4 (− 6.7 to − 6.1; p < 0.001) |
Glasgow Coma Scale (unit) | −3.9 (− 4.1 to − 3.8) | 0.1 (0.1 to 0.14) | − 4.0 (− 4.2 to − 3.9; p < 0.001) |
Pulse (per minute) | 4.7 (3.3 to 6.0) | −1.5 (− 1.6 to − 1.4) | 6.2 (4.8 to 7.6; p < 0.001) |
Traumatic brain injuries | |||
Systolic blood pressure (mmHg) | −2.6 (− 3.6 to − 1.5) | −1.3 (− 1.4 to − 1.1) | −1.3 (− 2.4 to − 0.2; p = 0.02) |
SPO2 (%) | 2.2 (1.8 to 2.5) | 1.0 (0.9 to 1.1) | 1.2 (0.8 to 1.5; p < 0.001) |
Respiratory rate (per minute) | −6.1 (− 6.3 to − 5.9) | −0.9 (− 0.9 to − 0.85) | − 5.2 (− 5.4 to − 5.0; p < 0.001) |
Glasgow Coma Scale (unit) | −5.6 (− 5.7 to − 5.5) | 0.3 (0.2 to 0.3) | −5.8 (− 5.9 to − 5.7; p < 0.001) |
Pulse (per minute) | 7.4 (6.6 to 8.2) | −4.5 (− 4.6 to − 4.4) | 11.9 (11.0 to 12.7; p < 0.001) |