Quality of healthcare services to reduce leprosy in Brazil: a trend analysis from 2001 to 2020.

However, the indicator of proportion of recurrence cases among cases reported in the year (AAGR=0.5; 95%CI=-0.4-1.5) showed an increasing trend ( Table 3 ).

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The rate of variation was utilized to classify the trend as follows: a positive rate of variation indicates an increasing time series, a negative rate of variation indicates a decreasing trend, and the trend is considered stationary when there is no significant difference between its value and zero.

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