Table 2.
Number of risk factors within each age group
| Total number of risk factors
|
|||||||
|---|---|---|---|---|---|---|---|
| Age (years) | 0 | 1 | 2 | 3 | 4–5 | Total | Mean number of risk factors |
| 15–44, n (%) | 9 (19.6) | 14 (30.4) | 14 (30.4) | 6 (13.0) | 3 (6.5) | 46 (100) | 1.6 |
| 45–54, n (%) | 15 (12.1) | 36 (29.0) | 41 (33.1) | 25 (20.2) | 7 (5.6) | 124 (100) | 1.8* |
| 55–64, n (%) | 12 (3.1) | 82 (21.5) | 124 (32.5) | 123 (32.3) | 40 (10.5) | 381 (100) | 2.3 |
| 65–74, n (%) | 24 (3.9) | 102 (16.5) | 217 (35.1) | 192 (31.0) | 84 (13.6) | 619 (100) | 2.4** |
| 75–84, n (%) | 32 (3.9) | 151 (18.2) | 315 (38.0) | 258 (31.1) | 74 (8.9) | 830 (100) | 2.2† |
| 85-, n (%) | 20 (4.0) | 120 (23.8) | 191 (37.8) | 147 (29.1) | 27 (5.3) | 505 (100) | 2.1 |
| Total, n (%) | 112 (4.5) | 505 (20.2) | 902 (36.0) | 751 (30.0) | 235 (9.4) | 2505 (100) | 2.2 |
The median number of risk factors was 2.0 for all age groups, except for the youngest patients, 15–44 years, where the median number was 1.5.
*
p<0.001 difference in number of risk factors between age groups 45–54 and 55–64,
**
p=0.04 between age groups 65–74 and 75–84,
†
p=0.006 between age groups 75–84 and over 85 years. There was no significant difference in risk factor burden between the sexes in any age group.