Clinical outcomes in Tanzania's field research stations are influenced by various factors including operational efficiency and resource allocation. A DiD approach was utilised to assess changes in patient outcomes before and after implementing new protocols. The study compared data from control and treatment groups within the same research sites to isolate the effect of intervention. The DiD analysis revealed a statistically significant improvement (p < 0.05) in patient recovery rates post-intervention, indicating that the new protocols were effective in enhancing clinical outcomes. This study provides robust evidence supporting the efficacy of the implemented interventions and highlights their positive impact on clinical service delivery. Based on these findings, further research should explore scalability and cost-effectiveness of the identified best practices. Clinical Outcomes, Difference-in-Differences, Field Research Stations, Tanzania Model estimation used $\hat{\theta}=argmin_{\theta}\sum_i\ell(y_i,f_\theta(x_i))+\lambda\lVert\theta\rVert_2^2$, with performance evaluated using out-of-sample error.