Table 1 Taut string estimation information.

From: Prediction of postoperative cardiac events in multiple surgical cohorts using a multimodal and integrative decision support system

(a) Epsilon values for each feature type

Feature type

\(\varepsilon \) values

ECG

0.0100, 0.1575, 0.3050, 0.4525, 0.6000

HRV

0.0010, 0.0258, 0.0505, 0.0753, 0.1000

DTCWPT

0.0100, 0.1575, 0.3050, 0.4525, 0.6000

ABP

0.1000, 0.7000, 1.3000, 1.9000, 2.5000

PPG

1.0000, 8.7500, 16.5000, 24.2500, 32.0000

(b) Features extracted per epsilon value

Feature type

Number of features extracted

ECG

6

HRV

6

DTCWPT

152

ABP

21

PPG

21