Optimization of Semiautomated Calibration Algorithm of Multichannel Electrotactile Feedback for Myoelectric Hand Prosthesis

Table 2

Comparison of correlation coefficients and the results of statistical analysis.

Subject number	Correlation between 10 calibration curves and mean curve from all sessions ()	Correlation between 10 calibration curves and individual mean curve from 10 sessions ()	Correlation between streamlined calibration curve and individual mean curve from 10 sessions	Correlation between streamlined calibration curve and overall 25th percentile curve
1			0.90	0.88
2			0.68	0.23
3			0.84	0.69
4			0.93	0.90
5			0.87	0.05
6			0.83	0.52
7			0.66	0.74
8			0.95	0.83
9			0.96	0.85
Paired-samples -test	(significant)		(nonsignificant)	(significant)