Table 2 General characteristics of the ischemic stroke case-control study sample
From: Mitochondrial haplogroup H1 is protective for ischemic stroke in Portuguese patients
Characteristic | Controls | Cases | P-value* |
|---|---|---|---|
N | 499 | 534 | |
Sex (n/N, %male) | 230/499 (46.1) | 336/534 (62.9) | < 10-4 |
Age-at-examination (mean ± SD, years) | 62.9 ± 6.9 | 52.1 ± 9.4 | < 10-4 |
Age-at-onset (mean ± SD, years) | - | 51.4 ± 9.5 | - |
Risk factors (n/N, %) | |||
Hypertension (> 140–85 mmHg) | 183/482 (38.0) | 270/478 (56.5) | < 10-4 |
Hypercholestrolemia (> 200 mg/dL) | 309/489 (63.2) | 310/496 (62.5) | 0.654 |
Hypertriglycemia (> 200 mg/dL) | 64/411 (15.6) | 38/215 (17.7) | 0.508 |
Diabetes | 54/470 (11.5) | 88/509 (17.3) | 0.007 |
Ever smoking | 127/481 (26.4) | 259/526 (49.2) | < 10-4 |
Ever drinking | 202/474 (42.6) | 305/527 (57.9) | < 10-4 |