Validation of New and Existing Decision Rules for the Estimation of Beat-to-Beat Pulse Transit Time

Table 1

Statistical analysis of correlations between and calculated from all candidate methods for 33 participators.

Methods	Mean	SD^‡	Sum	Minimum	Median	Maximum
McM	0.5231	0.1943	17.26	0.08030	0.5695	0.7913
MIN	0.07990	0.2011	2.637	−0.3756	0.08900	0.4484
D1	0.3542	0.2866	11.69	−0.1955	0.3605	0.7950
D2	0.2362	0.3560	7.793	−0.6076	0.2283	0.7611
SSF	0.1229	0.2067	4.054	−0.2660	0.05950	0.6010
Th50%	0.4985	0.1987	16.45	0.1241	0.5285	0.8013
Th30%	0.4605	0.2219	15.20	−0.008500	0.4862	0.7926
Th25%	0.4479	0.2239	14.78	−0.03950	0.4564	0.7834
Th20%	0.4235	0.2312	13.98	−0.04390	0.4534	0.7727
TAN1	0.3311	0.2783	10.93	−0.2253	0.3862	0.7064
TAN2	0.3407	0.2754	11.24	−0.2594	0.3921	0.7016

indicates standard deviation. See text for abbreviation.