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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.