Age, sex, and factors for SAD in the SSI-AF and SSI-control groups
| Group | SSI-AF | SSI-controls |
| No | 27 | 45 |
| Sex (M/F) | 13/14 | 21/24 |
| Mean age (y) | 77 | 77 |
| Range 56–87; SD 7 | Range 55–87; SD 7 | |
| HTN | 21 (78) | 39 (87) |
| DM | 4 (15) | 9 (20) |
| Smoking | 5 (19) | 10 (22) |
| HC | 3 (11) | 8 (18) |
| Raised PCV | 4 (15) | 6 (13) |
| Claudication | 3 (11) | 3 (7) |
Values in parentheses are %.
HTN=Hypertension; DM=diabetes mellitus; HC=hypercholesterolaemia; PCV=packed cell volume; SAD=small artery disease.