Table 2 The Mann–Whitney U test (MWUT) results of all the selected features of FI, GA, and RFE
From: Classification of vasovagal syncope from physiological signals on tilt table testing
Features | Supine position | HUTT position | ||||
|---|---|---|---|---|---|---|
NEG | POS | P value | NEG | POS | P value | |
CV_SBPV | 6.17 ± 3.01 | 6.08 ± 3.66 | 0.50 | 8.35 ± 3.12 | 18.82 ± 7.11 | < 0.001 |
CV_DBPV | 7.87 ± 3.80 | 7.20 ± 3.25 | 0.25 | 9.81 ± 5.72 | 18.96 ± 6.83 |  < 0.001 |
LFnu_SBPV | 36.79 ± 12.26 | 33.14 ± 12.67 | 0.09 | 49.09 ± 16.98 | 34.41 ± 13.59 | < 0.001 |
CV_HRV | 12.55 ± 11.44 | 12.19 ± 8.91 | 0.62 | 10.54 ± 7.30 | 15.34 ± 8.19 |  < 0.001 |
Hfnu_HRV | 53.83 ± 18.46 | 56.27 ± 20.79 | 0.38 | 47.55 ± 21.74 | 52.11 ± 19.57 | 0.32 |
SD_SBPV | 7.81 ± 3.27 | 6.59 ± 3.72 | 0.19 | 10.42 ± 4.23 | 18.34 ± 6.27 |  < 0.001 |
RMSRV_SBPV | 3.64 ± 3.31 | 3.67 ± 2.72 | 0.69 | 3.72 ± 3.26 | 4.28 ± 3.19 | 0.42 |
SD_DBPV | 5.60 ± 2.25 | 5.04 ± 1.98 | 0.10 | 7.49 ± 2.87 | 12.45 ± 4.26 |  < 0.001 |
ARV_SBPV | 2.18 ± 1.96 | 2.19 ± 1.76 | 0.73 | 2.55 ± 2.05 | 2.61 ± 1.43 | 0.51 |
Lfnu_DBPV | 42.45 ± 14.61 | 39.61 ± 13.84 | 0.28 | 50.93 ± 17.84 | 37.84 ± 12.60 |  < 0.001 |
SDRV_DBPV | 3.61 ± 2.66 | 3.83 ± 2.74 | 0.37 | 3.39 ± 2.35 | 3.50 ± 1.98 | 0.08 |
SD_HRV | 9.34 ± 9.68 | 8.86 ± 6.49 | 0.51 | 9.67 ± 7.41 | 13.53 ± 8.19 | 0.01 |
SDRV_HRV | 11.58 ± 13.91 | 11.72 ± 10.12 | 0.37 | 9.48 ± 11.82 | 11.16 ± 13.16 | 0.089 |
SBP | 118.15 ± 11.82 | 112.80 ± 18.04 | 0.08 | 125.06 ± 15.03 | 100.29 ± 17.73 | 0.01 |
DBP | 73.43 ± 9.36 | 72.09 ± 9.75 | 0.35 | 80.33 ± 12.50 | 67.03 ± 9.61 | 0.01 |