Table 2

Effects of prognostic factors on 90-day outcomes in patients with clopidogrel plus aspirin treatment in multivariable analysis*

FactorsStroke p
Value
Composite endpointsp
Value
Ischaemic strokep Value
HR (95% CI)HR (95% CI)HR (95% CI)
History of hypertension and BP control within 90 days
 No HP and high BP versus no HP and normal BP1.32 (0.77 to 2.27)0.321.31 (0.77 to 2.22)0.331.34 (0.77 to 2.32)0.31
 HP and normal BP versus no HP and normal BP1.63 (0.97 to 2.75)0.071.64 (0.99 to 2.73)0.061.63 (0.95 to 2.78)0.07
 HP and high BP versus no HP and normal BP1.92 (1.22 to 3.03)0.0051.84 (1.18 to 2.88)0.0081.95 (1.22 to 3.10)0.005
NIHSS score
 1 versus 01.56 (0.75 to 3.27)0.241.61 (0.77 to 3.37)0.201.70 (0.78 to 3.69)0.18
 2 versus 02.12 (1.07 to 4.21)0.032.19 (1.11 to 4.34)0.022.28 (1.11 to 4.70)0.03
 3 versus 04.11 (2.05 to 8.22)<0.0014.11 (2.05 to 8.23)<0.0014.49 (2.16 to 9.34)<0.001
Time from onset to randomisation <12 hour1.47 (1.12 to 1.94)0.0061.42 (1.08 to 1.86)0.011.60 (1.21 to 2.12)0.001
Lipid-lowering therapy0.62 (0.47 to 0.83)0.0010.62 (0.47 to 0.83)0.0010.64 (0.48 to 0.86)0.003
Open-label aspirin dose at day 1
 100–300 mg versus ≤100 mg1.05 (0.72 to 1.54)0.791.05 (0.72 to 1.53)0.791.09 (0.74 to 1.61)0.66
 ≥300 mg versus≤100 mg1.98 (1.45 to 2.69)<0.0011.93 (1.42 to 2.62)<0.0012.11 (1.55 to 2.88)<0.001
  • *Candidate factors included age, gender, history of TIA or stroke, history of hypertension and blood pressure control within 90 days, baseline blood pressure (normal or high), history of diabetes and antidiabetic therapy within 90 days, dyslipidaemia, myocardial infarction, atrial fibrillation, current or previous smoking, baseline NIHSS score, serum creatinine, haemoglobin, body mass index, time from onset to randomisation, open-label aspirin dose at day 1, index events and lipid-lowering therapy.

  • BP, blood pressure; HP, history of hypertension; NIHSS denotes national institute of health stroke scale.