Table 1 Baseline demographic status and co-morbidities compared between comparison and primary headache disorders (PHDs) group
From: The potential impact of primary headache disorders on stroke risk
Variable | PHDs cohort N = 1,346 (%) | Comparison cohort N = 5,384 (%) | p-value |
|---|---|---|---|
Age, years (SD)a | 47.38 (14.56) | 46.74 (15.77) | 0.183 |
 <45 | 820 (60.92) | 3,280 (60.92) |  |
 45–64 | 404 (30.01) | 1,616 (30.01) |  |
 ≥65 | 122 (9.07) | 488 (9.07) |  |
Sex | Â | Â | 0.999 |
 Female | 959 (71.25) | 3,836 (71.25) |  |
 Male | 387 (28.75) | 1,548 (28.75) |  |
Co-morbidities | Â | Â | Â |
 Hypertension | 72 (5.35) | 305 (5.66) | 0.342 |
 DM | 25 (1.86) | 101 (1.88) | 0.732 |
 IHD | 14 (1.04) | 53 (0.98) | 0.476 |
Hyperlipidaemia | 22 (1.63) | 99 (1.84) | 0.142 |
 AF | 1 (0.07) | 7 (0.13) | 0.503 |
Event (strokes) in the endpoint | 100 (7.43) | 287 (5.33) | 0.002 |
 Years of follow-up (SD)a | 4.57 (1.22) | 4.60 (1.20) | 0.465 |