a significant trendP < 0.05
Joinpoint regression analysis revealed a significant trend change point in 2017 ( P < 0.05).
Joinpoint regression analysis revealed a significant trend change point in 2017 ( P < 0.05).
At a significance level of α = 0.05, an APC value less than 0 indicates a declining trend in reported incidence, while an APC value greater than 0 suggests an increasing trend.
At a significance level of α = 0.05, a Z-value less than 0 indicates a decreasing trend in reported incidence, whereas a Z-value greater than 0 suggests an increasing trend.