However, the local drifts, representing changes in age‐specific incidence trends, were quite heterogeneous, with a decreasing trend in the age group >70 years and an increasing trend in all other age groups, with the most notable increase occurring in the age group from 35–39 to 45–49 years (Figure 2 ).
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Trends and projections of ovarian cancer incidence in Hong Kong: A population-based study.
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The sentences
However, the local drifts, representing changes in age‐specific incidence trends, were quite heterogeneous, with a decreasing trend in the age group >70 years and an increasing trend in all other age groups, with the most notable increase occurring in the age group from 35–39 to 45–49 years (Figure 2 ).
Therefore, the contribution of oral contraceptive use to reducing ovarian cancer incidence in Hong Kong may not be significant.