Community health centres in Ghana are pivotal for delivering healthcare services to underserved populations. However, their operational efficiency and yield improvements remain underexplored. A quasi-experimental design was employed to assess the impact of interventions aimed at improving service efficiency and patient outcomes. Data collection involved self-reported surveys and performance metrics from participating clinics. Significant variations in yield improvements were observed across different health centres, with a notable increase in case resolution times by up to 30% among those implementing targeted training programmes. The quasi-experimental design proved effective in measuring yield improvements and identified specific areas for further intervention to enhance service delivery efficiency. Further research should focus on replicating these findings across a larger sample of health centres, with particular emphasis on scaling interventions that demonstrate positive outcomes. Community Health Centres, Quasi-Experimental Design, Yield Improvements, Ghana Treatment effect was estimated with $\text{logit}(p_i)=\beta_0+\beta^\top X_i$, and uncertainty reported using confidence-interval based inference.