Intra-individual correlations

Table 2: Intra-individual correlations.

Patient	PPG amp vs. PP		PPG amp vs. CVasc
Patient	Rho	P value	Rho	P value
1	-0.8374	< 0.0001	0.9078	< 0.0001
2	-0.9593	< 0.0001	0.9557	< 0.0001
3	-0.933	< 0.0001	0.9549	< 0.0001
4	-0.9822	< 0.0001	0.9817	< 0.0001
5	-0.9421	< 0.0001	0.9545	< 0.0001
6	0.9384	< 0.0001	0.9329	< 0.0001
7	-0.8402	< 0.0001	0.8744	< 0.0001
8	-0.4502	< 0.0001	0.5874	<0.0001
9	-0.885	< 0.0001	0.9044	< 0.0001
10	-0.7739	< 0.0001	0.9335	< 0.0001
11	-0.9836	< 0.0001	0.9815	< 0.0001
12	-0.875	< 0.0001	0.9177	< 0.0001
13	-0.8091	< 0.0001	0.8464	< 0.0001
14	-0.8717	< 0.0001	0.9121	< 0.0001
15	-0.8395	< 0.0001	0.9715	< 0.0001
16	-0.7442	< 0.0001	0.8605	< 0.0001
17	-0.9347	< 0.0001	0.9618	< 0.0001
18	-0.8554	< 0.0001	0.8877	< 0.0001
19	-0.7952	< 0.0001	0.9533	< 0.0001
20	-0.9105	< 0.0001	0.9782	< 0.0001
21	-0.7091	< 0.0001	0.7204	< 0.0001
22	-0.7724	< 0.0001	0.8879	< 0.0001
23	-0.9394	< 0.0001	0.9762	< 0.0001
24	-0.8019	< 0.0001	0.9034	< 0.0001
25	-0.8363	< 0.0001	0.9309	< 0.0001
26	-0.7629	< 0.0001	0.8812	< 0.0001

Periods of changes in arterial blood pressure were analyzed in each patient in a beat-by-beat basis. PPG: Photoplethysmography; PP: Pulse pressure, CVasc: Vascular compliance and # cycles: Number of cycles analyzed. Spearman’s correlation (Rho).