2 ): 2 The results showed that the slope of the trend of the overall HIV/AIDS mortality rate before the implementation of the first round of the Prevention and Treatment of HIV/AIDS (before 2010) was 2.180 ( P < 0.01), showing an increasing trend; After the implementation of the policy, the overall HIV/AIDS mortality rate decreased by 8.9% compared to the pre-policy period, and the difference was not statistically significant ( = -8.876, P = 0.06); In the year of policy implementation (2010–2015), the slope of the overall HIV/AIDS mortality rate was 2.180+(-4.397)=-2.217, showing a downward trend with a statistically significant difference ( =-4.397, P < 0.01).
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Effect of the implementation of HIV/AIDS prevention and treatment policies on the mortality rate of people living with HIV in Guilin, China.
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The sentences
From 2010 to 2020, the HIV/AIDS mortality rate in Guilin has shown a decreasing trend, indicating that the implementation of the “Prevention and Treatment of HIV/AIDS” policy has achieved good results.
If a significant trend in the outcome variable already existed before the implementation of the intervention, a single set of ITS may not be able to accurately distinguish the effect of the intervention from the natural trend on the outcome.