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Table 5 Relationship between prehospital SBP and stroke occurrence by impaired consciousness level

From: An association between systolic blood pressure and stroke among patients with impaired consciousness in out-of-hospital emergency settings

  

SBP (mmHg)

  

= < 100

101-120

121-140

141-160

161-180

181-200

> = 201

 

Mild disturbance

0.70 (0.65-0.75)

Reference

1.30 (1.23-1.38)

1.78 (1.68-1.88)

2.31 (2.17-2.45)

2.98 (2.78-3.20)

4.30 (3.96-4.66)

Stroke

Moderate disturbance

0.66 (0.58-0.75)

Reference

1.29 (1.16-1.44)

2.05 (1.84-2.29)

2.55 (2.26-2.87)

3.57 (3.12-4.08)

6.69 (5.72-7.82)

 

Severe disturbance

0.70 (0.61-0.80)

Reference

1.39 (1.23-1.56)

2.03 (1.80-2.29)

2.75 (2.42-3.12)

4.80 (4.15-5.56)

8.21 (7.04-9.56)

Mild disturbance

0.99 (0.60-1.63)

Reference

2.35 (1.66-3.34)

3.75 (2.64-5.32)

5.91 (4.13-8.45)

8.91 (6.14-12.94)

16.84 (11.71-24.21)

SAH

Moderate disturbance

1.01 (0.50-2.09)

Reference

2.34 (1.36-4.03)

3.59 (2.10-6.15)

5.08 (2.93-8.78)

9.92 (5.81-16.93)

11.55 (6.70-19.90)

Severe disturbance

0.98 (0.66-1.46)

Reference

1.72 (1.23-2.39)

2.50 (1.81-3.45)

3.12 (2.25-4.32)

5.35 (3.89-7.37)

6.23 (4.58-8.48)

Mild disturbance

0.74 (0.57-0.96)

Reference

1.76 (1.47-2.10)

3.17 (2.67-3.76)

5.82 (4.91-6.90)

10.90 (9.17-12.94)

21.19 (17.86-25.13)

ICH

Moderate disturbance

0.45 (0.31-0.67)

Reference

1.14 (0.88-1.48)

2.68 (2.11-3.39)

4.64 (3.67-5.87)

7.19 (5.66-9.14)

13.58 (10.71-17.22)

Severe disturbance

0.88 (0.68-1.13)

Reference

1.62 (1.31-2.01)

2.80 (2.28-3.43)

4.35 (3.55-5.33)

7.34 (5.98-9.00)

12.61 (10.35-15.35)

Mild disturbance

0.70 (0.65-0.75)

Reference

1.23 (1.16-1.30)

1.59 (1.47-1.65)

1.77 (1.67-1.89)

1.83 (1.70-1.97)

1.75 (1.60-1.90)

IS

Moderate disturbance

0.70 (0.61-0.81)

Reference

1.26 (1.12-1.41)

1.65 (1.47-1.86)

1.63 (1.44-1.85)

1.68 (1.46-1.93)

1.84 (1.58-2.15)

Severe disturbance

0.67 (0.58-0.78)

Reference

1.15 (1.00-1.31)

1.27 (1.12-1.45)

1.26 (1.10-1.44)

1.16 (1.00-1.34)

0.91 (0.78-1.06)

  1. SBP denotes systolic blood pressure, SAH subarachnoid hemorrhage, ICH, intracranial hemorrhage, IS ischemic stroke.
  2. Odds ratio were adjusted for sex and age.