Table 4 Mean values for stroke prevention measures for participants with values recorded both before and after stroke.
From: Utility of electronic patient records in primary care for stroke secondary prevention trials
| Â | Â | 2003 | 2004 | 2005 | 2006 | Overall |
|---|---|---|---|---|---|---|
Systolic BP (N = 14,006) | Before stroke | 148.64 | 145.72 | 144.49 | 143.31 | 145.54 |
| Â | After stroke | 141.60 | 139.28 | 139.24 | 137.78 | 139.48 |
| Â | 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 |
| Â | After stroke | 78.90 | 77.70 | 77.54 | 77.18 | 77.83 |
| Â | 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 |
| Â | After stroke | 4.65 | 4.52 | 4.41 | 4.36 | 4.49 |
| Â | 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 |
| Â | After stroke | 2.44 | 2.40 | 2.33 | 2.30 | 2.38 |
| Â | 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 |
| Â | After stroke | 1.39 | 1.44 | 1.44 | 1.41 | 1.42 |
| Â | 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 |
| Â | After stroke | 27.52 | 27.50 | 27.17 | 27.58 | 27.44 |
| Â | 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% |
| Â | After stroke | 23% | 21% | 21% | 21% | 21% |
| Â | 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% |
| Â | After stroke | 8% | 7% | 9% | 10% | 8% |
| Â | Difference( 95% CI) | -5%(-10%1%) | -5%(-9%;-1%) | -3%(-7%1%) | -4%(-9%;1%) | -4%(-6%;-2%) |