Item Calibration range (μg /ml) Correlation coefficient Slope Slope 95% confidence interval for the slope intercept Slope 95% confidence interval for the intercepta LOQ (μg /ml) LOD (μg /ml)
Simvastatin
System-1 60-150 0.999 23.709 ± 0.0387 6978.43 ± 2.094 1.23 1.05
System-2 0.999 23.227 ± 0.0765 946.33 ± 2.082 1.96 1.15
Ezetimibe
System-1   15-37.5 0.999 54.293 ± 0.0935 2834.5 ± 2.094 1.03 0.95
System-2 0.995 105.35 ± 0.0396 -567.7 ± 2.082 1.84 1.31
Table3: Summary for the regression equation parameters of the proposed TLC-densitometric method.