Table 3.

Association between optimal blood pressure and AAA growth after removing participants with outlier measurements.

	Number of participants (n = 1,293, number of observations = 6,005)	Mean difference in AAA growth per year	95% CI	P-value
Unadjusted model	Optimal	Reference
	Sub-optimal	−1.74	−2.37 to −1.12	<0.001
Adjusted model 1	Optimal	Reference
	Sub-optimal	0.01	−0.10–0.13	0.81
Adjusted model 2	Optimal	Reference
	Sub-optimal	0.001	−0.12–0.12	0.99

Optimal BP – SBP/DBP ≤140/90 mmHg and sub-optimal BP – SBP >140 or DBP >90 mmHg. Model 1 was adjusted for smoking, DM, initial diameter and sex and Model 2 was adjusted for smoking, IHD, initial diameter, sex, DM, stroke, aspirin, BB, frusemide, diuretics, ACEI and statin. Cited p-values ≈ β = interaction of time and blood pressure groups. ACEI, angiotensin converting enzyme inhibitor; BB, beta blocker; BP, blood pressure; CI, confidence interval; DBP, diastolic blood pressure; DM, diabetes mellitus; IHD, ischemic heart disease; N, sample size; SBP, systolic blood pressure. The full model is elaborated in Supplementary 1 Table 2.