Table 1.

Different PTT feature correlation coefficient values with SBP and DBP values.

IPG	PPG	Features	r (SBP)	r (DBP)
B-Point	Max1	f 1	0.12 ± 0.27	0.29 ± 0.23
Peak		f 8	−0.48 ± 0.38	0.64 ± 0.24
B-Point	Systolic Peak	f 2	0.01 ± 0.22	0.14 ± 0.18
Peak		f 9	0.52 ± 0.42	−0.62 ± 0.21
B-Point	Dicrotic Notch	f 3	0.25 ± 0.39	0.13 ± 0.63
Peak		f 10	0.51 ± 0.32	0.44 ± 0.22
B-Point	Diastolic Minimum	f 4	−0.23 ± 0.33	−0.25 ± 0.45
Peak		f 11	−0.48 ± 0.30	−0.60 ± 0.30
B-Point	Intersection Tangent	f 5	0.38 ± 0.25	0.31 ± 0.40
Peak		f 12	−0.64 ± 0.24	−0.60 ± 0.22
B-Point	Diastolic Peak	f 6	0.06 ± 0.63	0.05 ± 0.50
Peak		f 13	0.06 ± 0.60	0.64 ± 0.24
B-Point	Max2	f 7	0.46 ± 0.23	0.52 ± 0.21
Peak		f 14	−0.81 ± 0.08	−0.78 ± 0.09
ECG-PAT			−0.83 ± 0.17	−0.63 ± 0.14