Table 3.
Feature characteristics.
| Feature symbol | Positive event, mean (SD) | Negative event, mean (SD) | P value |
| Mean_beat_length (s) | 0.82 (0.19) | 0.89 (0.17) | <.001 |
| MAPa (mmHg) | 64 (12) | 90 (12) | <.001 |
| PPb_max (mmHg) | 55 (16) | 60 (15) | <.001 |
| PP_min (mmHg) | 45 (16) | 50 (14) | <.001 |
| PP_range (mmHg) | 10.0 (10.7) | 9.8 (9.8) | <.001 |
| PP_avg (mmHg) | 50 (15) | 55 (14) | <.001 |
| PPVc | 0.23 (0.29) | 0.20 (0.25) | <.001 |
| Systolic_time_avg (s) | 0.13 (0.04) | 0.14 (0.04) | <.001 |
| Systolic_pressure_avg (mmHg) | 98 (19) | 125 (18) | <.001 |
| Systolic_pressure_range (mmHg) | 10.7 (10.2) | 10.4 (9.0) | <.001 |
| Diastolic_pressure_avg (mmHg) | 49 (10) | 71 (11) | <.001 |
| Beat_area_avg (mmHg×s) | 53 (16) | 79 (18) | <.001 |
aMAP: mean arterial pressure.
bPP: pulse pressure.
cPPV: pulse pressure variation.