Table 2. Paired t-test for Cameriere’s method showing the bias for the sample population.

Measure of accuracy	N	Mean	± SD	SE mean	Significance	95% CI Lower	95% CI Upper
Bias	335	0.59773	1.32365	0.07232	0.000**	0.4555	0.7399
Absolute Difference	335	1.11048	0.93464	0.05106	0.000**	1.1010	1.2109

**p<0.001; Highly significant SD = Standard deviation, SE = Standard error, CI = Confidence interval