Primary Prevention of First-Ever Stroke in Primary Health Care: A Clinical Practice Study Based on Medical Register Data in Sweden

Table 1

Known risk factors among 187 stroke patients and measures taken in primary health care for the 114 patients who had seen a general practitioner (GP) in the year preceding their stroke, in numbers and percentages.

Risk factor	Risk factors among all stroke  patients^1 ($n=187$)	Risk factors among stroke patients not seen  by  a  GP ($n=73$)	Risk factors among stroke patients seen  by  a  GP ($n=114$)	Measures taken by a GP in patients with a risk factor^2
Hypertension	78 (41.7%)	33 (45.2%)	45 (39.5%)	34 (75.6%)
Diabetes	42 (22.5%)	18 (24.7%)	24 (21.1%)	18 (75.0%)
Atrial fibrillation	43 (23.0%)	20 (27.4%)	23 (20.2%)	14 (60.9%)
Smoking³	44 (23.5%)	20 (38.5%)	24 (29.6%)	13 (54.1%)
Alcoholism³	17 (9.1%)	7 (28.0%)	10 (26.3%)	4 (40.0%)
Overweight/Obesity³	33 (17.6)	14 (63.6%)	19 (46.3%)	11 (57.9%)

${}^1$According to the medical records from all health care contacts.
${}^2$Denominator is the number of patients who had seen a general practitioner.
${}^3$The number of missing data for the lifestyle-related factors was high: 54 for smoking, 124 for alcoholism and 124 for overweight/obesity; the denominators have been adjusted accordingly.