highly significantp < 0.001
This difference of approximately 0.0239 mmol/L was highly significant ( p < 0.001), indicating that the sampling location has a measurable and consistent effect on reported iCa values, as shown in Figs. 2 and 3 .
This difference of approximately 0.0239 mmol/L was highly significant ( p < 0.001), indicating that the sampling location has a measurable and consistent effect on reported iCa values, as shown in Figs. 2 and 3 .
The low-calcium cluster (Cluster 2) also showed a trend toward reduced filter lifespan.