Table 5

Univariable and multivariable logistic regression analyses depicting the associations of blood pressure measurements and other baseline characteristics with 3-month mortality

VariableUnivariable logistic regression analysisMultivariable logistic regression analysis*
OR (95% CI)P value*OR (95% CI)P value
Age (per 10 year increase)1.12 (0.83 to 1.50)0.460
Male gender0.94 (0.39 to 2.27)0.886
Black race1.18 (0.48 to 2.90)0.726
NIHSS score at admission (per 1 point increase)1.13 (1.04 to 1.22)0.0031.11 (1.00 to 1.23)0.049
ASPECTS at baseline (per 1 point increase)0.87 (0.65 to 1.17)0.362
Good collaterals0.71 (0.25 to 2.04)0.523
Hypertension1.82 (0.59 to 5.66)0.301
Diabetes mellitus1.63 (0.68 to 3.91)0.276
Hyperlipidemia0.68 (0.29 to 1.59)0.376
Atrial fibrillation1.43 (0.56 to 3.69)0.459
Coronary artery disease1.06 (0.34 to 3.25)0.962
Congestive heart failure0.60 (0.17 to 2.09)0.423
Smoking1.50 (0.57 to 3.99)0.415
Intravenous thrombolysis0.75 (0.30 to 1.86)0.537
Onset to arterial puncture time
(per 10 min increase)
1.00 (0.98 to 1.03)0.975
General anesthesia (vs conscious sedation)2.88 (1.15 to 7.22)0.0242.73 (0.83 to 8.92)0.097
Serum glucose at admission (per 10 mg/dL increase)1.01 (0.96 to 1.06)0.810
Serum LDL (per 10 mg/dL increase)0.94 (0.83 to 1.06)0.285
SBP at admission (per 10 mmHg increase)1.19 (1.03 to 1.38)0.0191.21 (0.98 to 1.48)0.072
Mean SBP post MT (per 10 mmHg increase)†1.09 (0.81 to 1.46)0.564
Minimum SBP post MT (per 10 mmHg increase)†0.72 (0.56 to 0.94)0.0150.68 (0.49 to 0.95)0.022
Maximum SBP post MT (per 10 mmHg increase)†1.25 (1.01 to 1.55)0.0421.12 (0.83 to 1.50)0.464
DBP at admission (per 10 mmHg increase)1.17 (0.93 to 1.47)0.177
Mean DBP post MT (per 10 mmHg increase)†1.28 (0.86 to 1.88)0.220
Minimum DBP post MT (per 10 mmHg increase)†0.96 (0.65 to 1.41)0.823
Maximum DBP post MT (per 10 mmHg increase)†1.55 (1.14 to 2.10)0.0051.62 (1.10 to 2.38)0.014
Brain edema1.79 (0.72 to 4.46)0.209
  • *Cut-off of P<0.1 was used for selection of candidate variables for inclusion in multivariable logistic regression models.

  • †During the first 24 hours following the end of mechanical thrombectomy.

  • ASPECTS, Alberta Stroke Program Early CT score; DBP, diastolic blood pressure; LDL, low density lipoprotein; MT, mechanical thrombectomy; NIHSS, National Institutes of Health Stroke Scale; SBP, systolic blood pressure.