Table 4.

Mean values for stroke prevention measures for participants with values recorded both before and after stroke.

		2003	2004	2005	2006	Overall
Systolic BP (N = 14,006)	Before stroke	148.64	145.72	144.49	143.31	145.54
	After stroke	141.60	139.28	139.24	137.78	139.48
	Difference( 95% CI)	-7.04(-7.69;-6.39)	-6.44(-6.97;-5.90)	-5.25(-5.79;-4.70)	-5.53(-6.10;-4.95)	-6.02(-6.03;-6.01)
Diastolic BP (N = 14,006)	Before stroke	82.21	80.58	80.17	79.60	80.64
	After stroke	78.90	77.70	77.54	77.18	77.83
	Difference( 95% CI)**	-3.31(-3.66;-2.96)	-2.88(-3.18;-2.59)	-2.63(-2.93;-2.32)	-2.43(-2.75;-2.11)	-2.78(-2.79;-2.77)
Total cholesterol (N = 7,085)	Before stroke	5.38	5.28	5.09	4.96	5.18
	After stroke	4.65	4.52	4.41	4.36	4.49
	Difference( 95% CI)**	-0.73(-0.79;-0.67)	-0.76(-0.80;-0.71)	-0.69(-0.73;-0.64)	-0.60(-0.65;-0.55)	-0.60(-0.61;-0.59)
LDL cholesterol (N = 3,206)	Before stroke	3.11	3.12	2.97	2.77	2.99
	After stroke	2.44	2.40	2.33	2.30	2.38
	Difference( 95% CI)**	-0.67(-0.76;-0.57)	-0.73(-0.79;-0.66)	-0.63(-0.69;-0.57)	-0.47(-0.53;-0.40)	-0.70(-0.71;-0.69)
HDL cholesterol (N = 4,287)	Before stroke	1.40	1.44	1.45	1.44	1.43
	After stroke	1.39	1.44	1.44	1.41	1.42
	Difference( 95% CI)	-0.02(-0.04;0.01)	-0.01(-0.02;0.01)	-0.01(-0.02;0.00)	-0.03(-0.04;-0.02)	-0.02(-0.02;-0.01)
BMI values (N = 3,881)	Before stroke	27.83	27.86	27.56	27.87	27.78
	After stroke	27.52	27.50	27.17	27.58	27.44
	Difference( 95% CI)	-0.31(-0.45;-0.17)	-0.37(-0.48;-0.25)	-0.39(-0.51;-0.26)	-0.30(-0.41;-0.18)	-0.34(-0.34;-0.33)
Current smokers (N = 7,213)	Before stroke	31%	26%	24%	27%	26%
	After stroke	23%	21%	21%	21%	21%
	Difference( 95% CI)	-8%(-12%;-4%)	-5%(-7%;-2%)	-3%(-6%;-1%)	-6%(-9%;-3%)	-5%(-6%;-3%)
Excessive drinking (n = 1,968)	Before stroke	13%	12%	12%	13%	12%
	After stroke	8%	7%	9%	10%	8%
	Difference( 95% CI)	-5%(-10%1%)	-5%(-9%;-1%)	-3%(-7%1%)	-4%(-9%;1%)	-4%(-6%;-2%)

Figures are means except where indicated.