Table 3 Descriptive statistics and intraclass correlation coefficient (ICC) by family practice for continuous measures
From: Utility of electronic patient records in primary care for stroke secondary prevention trials
| Â | Â | N | Mean (SD) | ICC (SE) |
|---|---|---|---|---|
SBP measure(mmHg) | Before stroke | 16,462 | 144.76(19.13) | 0.020 (0.003) |
| Â | After stroke | 17,626 | 139.08(17.05) | 0.025 (0.004) |
DBP measure(mmHG) | Before stroke | 16,462 | 80.24(10.12) | 0.028 (0.003) |
| Â | After stroke | 17,624 | 78.02 (9.18) | 0.028 (0.004) |
Total cholesterol(mmol/l) | Before stroke | 10,318 | 5.10(1.16) | 0.018 (0.004) |
| Â | After stroke | 13,210 | 4.60(1.06) | 0.021 (0.004) |
LDL cholesterol(mmol/l) | Before stroke | 5744 | 2.93(1.03) | 0.047 (0.009) |
| Â | After stroke | 7,402 | 2.49(0.91) | 0.054 (0.008) |
HDL cholesterol(mmol/l) | Before stroke | 7,305 | 1.44(0.44) | 0.045 (0.007) |
| Â | After stroke | 9,182 | 1.44(0.44) | 0.052 (0.007) |
BMI measure(kg/m 2 ) | Before stroke | 6,958 | 27.21(5.47) | 0.018 (0.005) |
| Â | After stroke | 8,547 | 26.92(5.25) | 0.016 (0.004) |