| No CAN (n = 59) | CAN (n = 48) | P-valuea |
---|
CASS | 0.5 ± 0.4 | 3.2 ± 1.1 |  < 0.0001*** |
HR_DB (beats/min) | 11.1 ± 7.0 | 5.5 ± 3.9 |  < 0.0001*** |
Valsalva ratio | 1.4 ± 0.2 | 1.2 ± 0.1 |  < 0.0001*** |
Delta SBP | -3.0 (-10.0, 2.0) | -8 (-17.0, -2.0) | 0.004** |
E:I ratio | 1.2 ± 0.1 | 1.1 ± 0.04 |  < 0.0001*** |
30/15 ratio | 1.1 ± 0.1 | 1.0 ± 0.03 |  < 0.0001*** |
- Data are presented as means ± standard deviations or median (IQR); n (%).
- n number of cases, IQR interquartile range, CASS Composite Autonomic Scoring Scale, HR_DB heart rate response to deep breathing, CAN cardiac autonomic neuropathy, Delta SBP The change between minimum systolic blood pressure during head-up tilt and baseline systolic blood pressure
- aIndependent t-test, two-side, data were logarithmically transformed to improve normality
- *P < 0.05
- **P < 0.01
- *** = P < 0.001