Research Article
Dental Calculus Is Associated with Death from Heart Infarction
Table 3
Dental calculus indices of the 1676 subjects who survived or died from heart infarction during the years 1996–2009.
| Year | Alive () | Dead () | Dental calculus index among the surviving | Dental calculus index among the deceased | value |
| 1996 | 1653 | 18 | 0.46 ± (0.58 SD) | 0.61 ± (0.61 SD) | NS | 1998 | 1647 | 24 | 0.46 ± (0.58 SD) | 0.61 ± (0.76 SD) | NS | 2000 | 1642 | 29 | 0.46 ± (0.58 SD) | 0.64 ± (0.75 SD) | NS | 2001 | 1631 | 40 | 0.46 ± (0.58 SD) | 0.65 ± (0.73 SD) | <0.05 | 2009 | 1598 | 73 | 0.45 ± (0.57 SD) | 0.67 ± (0.76 SD) | <0.01 |
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Data expressed as mean and ± SD.
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