Table 2.
N (%) | Anti-platelet drugs | Blood pressure lowering drugs* | Statins | ||||
---|---|---|---|---|---|---|---|
n (%) | Prevalence ratio (95% CI) | n (%) | Prevalence ratio (95% CI) | n (%) | Prevalence ratio (95% CI) | ||
Age | |||||||
Younger | 168 (48) | 137 (82) | 1.00 | 116 (69) | 1.00 | 108 (64) | 1.00 |
Older | 181 (52) | 135 (75) | 0.91 (0.82, 1.02) | 116 (64) | 0.93 (0.79, 1.08) | 75 (41) | 0.64 (0.52, 0.79) |
| |||||||
Social class | |||||||
Non-manual | 177 (51) | 143 (81) | 1.00 | 122 (69) | 1.00 | 95 (54) | 1.00 |
Manual | 167 (49) | 127 (76) | 0.94 (0.84, 1.05) | 107 (64) | 0.93 (0.79, 1.08) | 86 (52) | 0.96 (0.78, 1.17) |
| |||||||
Region | |||||||
North | 112 (32) | 91 (81) | 1.00 | 69 (62) | 1.00 | 61 (54) | 1.00 |
South | 237 (68) | 181 (76) | 0.94 (0.84, 1.05) | 163 (69) | 1.12 (0.94, 1.32) | 122 (51) | 0.95 (0.77, 1.17) |
| |||||||
Time since diagnosis | |||||||
<5 years | 151 (43) | 121 (80) | 1.00 | 100 (66) | 1.00 | 83 (55) | 1.00 |
5-10 years | 109 (31) | 88 (81) | 1.00 (0.89, 1.14) | 72 (66) | 0.99 (0.84, 1.19) | 56 (51) | 0.93 (0.74, 1.18) |
>10 years | 89 (26) | 63 (71) | 0.88 (0.76, 1.03) | 60 (67) | 1.02 (0.85, 1.22) | 44 (49) | 0.89 (0.69, 1.16) |
| |||||||
Disability | |||||||
No | 198 (57) | 157 (79) | 1.00 | 126 (64) | 1.00 | 106 (54) | 1.00 |
Yes | 151 (43) | 115 (76) | 0.96 (0.86, 1.08) | 106 (70) | 1.10 (0.95, 1.28) | 77 (51) | 0.95 (0.78, 1.17) |
| |||||||
Type of vascular disease | |||||||
Stroke | 159 (46) | 118 (74) | 1.00 | 116 (73) | 1.00 | 87 (55) | 1.00 |
TIA | 190 (54) | 154 (81) | 1.09 (0.97, 1.22) | 116 (61) | 0.84 (0.72, 0.97) | 96 (51) | 0.92 (0.76, 1.13) |
| |||||||
Coronary heart disease | |||||||
No | 234 (67) | 177 (76) | 1.00 | 143 (61) | 1.00 | 104 (44) | 1.00 |
Yes | 115 (33) | 95 (83) | 1.09 (0.98, 1.22) | 89 (77) | 1.27 (1.09, 1.46) | 79 (61) | 1.55 (1.28, 1.87) |
Blood pressure lowering drugs include - thiazides, diuretics with potassium, beta-blockers, drugs affecting the rennin-angiotensin system and other antihypertensives, and calcium channel blockers