Research Article

Role of the Mechanisms of Detection in the Increased Risk of Thyroid Cancer: A Retrospective Cohort Study in an HMO in Buenos Aires

Table 3

Risk analysis of incidentally and non-incidentally detected thyroid cancer between periods of study in members of the PSHI (2003-2012).

Incidentally detected thyroid cancerNon-incidentally detected thyroid cancer

Period of studyCrude cumulative (95%CI)Age standardized cumulative  (95% CI)Crude cumulative (95%CI)Age standardized cumulative  (95% CI)

2003-20071.1 (0.36-2.61)0.7 (0.14-1.96)8 (5.63-11.1)6 (3.97-8.77)
2008-20126.1 (4.33-8.33)4.1 (2.65-5.95)15 (12.2-18.3)10.6 (8.25-13.5)

Relative risk (95% CI)6.06 (1.84-20)1.76 (1.13-2.75)

Per 100,000 affiliates.