Table 2 Mean ± standard deviation of \(S_{v}\) 70 min before SCD
Time | Feature | Mean ± standard deviation | P-value | |
|---|---|---|---|---|
Normal | SCD | |||
SCD10 | \(s_{v}\) | 0.0029 ± 0.0021 | − 0.0036 ± 0.0057 | 5.9619e−05 |
SCD20 | \(s_{v}\) | 0.0025 ± 0.0018 | − 0.0039 ± 0.0040 | 2.3831e−07 |
SCD30 | \(s_{v}\) | 0.0024 ± 0.0017 | − 0.0051 ± 0.0045 | 7.2757e−08 |
SCD40 | \(s_{v}\) | 0.0028 ± 0.0021 | − 0.0053 ± 0.0057 | 1.5355e−06 |
SCD50 | \(s_{v}\) | 0.0021 ± 0.0030 | − 0.0061 ± 0.0078 | 1.6377e−04 |
SCD60 | \(s_{v}\) | 0.0020 ± 0.0031 | − 0.0047 ± 0.0064 | 2.8929e−04 |
SCD70 | \(s_{v}\) | 0.0023 ± 0.0023 | − 0.0046 ±0.0046 | 1.7450e−06 |