Table 2 Relative risk of stroke and stroke subtypes in relation to IGF‐1 genotype.
| IGF‐I genotype | ||||||
|---|---|---|---|---|---|---|
| 192/192 (n = 2985) | 192/− (n = 3014) | −/− (n = 809) | ||||
| n | RR | n | RR (95% CI) | n | RR (95% CI) | |
| All strokes | 266 | 1.0 (reference) | 229 | 0.9 (0.7 to 1.0) | 56 | 0.8 (0.6 to 1.0) |
| Ischaemic strokes | 156 | 1.0 (reference) | 131 | 0.8 (0.7 to 1.1) | 30 | 0.7 (0.5 to 1.0) |
| Haemorrhagic strokes | 22 | 1.0 (reference) | 25 | 1.1 (0.6 to 2.0) | 6 | 1.0 (0.4 to 2.4) |
| Unspecified stroke | 88 | 1.0 (reference) | 73 | 0.8 (0.6 to 1.1) | 20 | 0.8 (0.5 to 1.3) |
| Large vessel disease | 12 | 1.0 (reference) | 13 | 1.1 (0.5 to 2.4) | 5 | 1.5 (0.5 to 4.4) |
| Cardio‐embolic stroke | 26 | 1.0 (reference) | 22 | 0.8 (0.5 to 1.5) | 8 | 1.1 (0.5 to 2.5) |
| Small vessel disease | 21 | 1.0 (reference) | 18 | 0.9 (0.5 to 1.6) | 3 | 0.5 (0.2 to 1.7) |
n, total number of cases; RR, relative risk with 95% confidence interval, adjusted for age and sex.