Table 2.
Characteristics of devices and signals in 18 included studies (21 experiments).
| Variable (No. of Datasets Available for Calculations) 1 | No (%) Mean (Range) |
|
|---|---|---|
| Used devices (16) | ||
| Shimmer 2R | 3 (18.75) | |
| BIOPAC MP150 | 3 (18.75) | |
| Biosemi ActiveTwo | 2 (12.50) | |
| NeXus-10 | 1 (6.25) | |
| ProComp Infiniti | 1 (6.25) | |
| BIOPAC BioNomadix | 1 (6.25) | |
| BItalino | 1 (6.25) | |
| RespiBAN Professional | 1 (6.25) | |
| B-Alert x10 | 1 (6.25) | |
| Empatica E4 | 1 (6.25) | |
| Polar H7 | 1 (6.25) | |
| Zephyr BioHarness | 1 (6.25) | |
| IOM Biofeedback | 1 (6.25) | |
| CV 2 signals recorded (18) | ||
| ECG 3 | 15 (83.33) | |
| HR 4 | 3 (16.67) | |
| BVP 5 | 3 (16.67) | |
| PPG 6 | 1 (5.56) | |
| Sampling frequency [Hz] (12) | 543.31 (32–2048) | |
| Length of baseline recording [seconds] (7) | 292.14 (5–1200) | |
1 some studies used more than one device or cardiovascular signal; 2 cardiovascular; 3 electrocardiogram; 4 heart rate; 5 blood volume pressure; 6 photoplethysmogram.