Table 5.
Changes in Framingham risk score and cardiovascular disease risk among continuing smokers and quitters
| Mean±SD | P a | ||
|---|---|---|---|
| 
 | |||
| Quitters | Continuing smokers | ||
| Framingham risk score | |||
| Baseline | 7.0±7.3 | 6.4±6.7 | 0.427 | 
| 6-months follow-up | 3.9±3.7 | 7.2±7.6 | 0.022 | 
| Pb | <0.001 | 0.867 | |
| Baseline CVD risk level, n (%) | |||
| <10% (low risk) | 141 (67.8) | 248 (70.1) | |
| 10%-20% (intermediate risk) | 54 (26.0) | 92 (26.0) | |
| >20% (high risk) | 13 (6.3) | 14 (4.0) | |
| Pa | 0.464 | ||
| 6-months follow-up CVD risk level, n (%) | |||
| <10% (low risk) | 189 (90.9) | 249 (70.3) | |
| 10%-20% (intermediate risk) | 16 (7.7) | 30 (8.5) | |
| >20% (high risk)* | 3 (1.4) | 75 (21.2) | |
| P a | <0.001 | ||
| The change of CVD risk, n (%) | |||
| Decreased* | 99 (47.6) | 53 (14.9) | |
| Increased | 10 (4.8) | 23 (6.5) | |
| No change | 99 (47.6) | 279 (78.6) | |
| Pa | <0.001 | ||
*Significance within group, aP: Comparison of continuing smokers and quitters (between groups), bP: Comparison of baseline and 6 months follow-up (within group). CVD: Cardiovascular disease, SD: Standard deviation