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Incidence of underdamping/resonance
| Overall, number (%) | R-group, number (%) | NR-group, number (%) | |
|---|---|---|---|
| Overall | 300 (100) | 92 (30.7) | 208 (69.3) |
| Vascular surgery theater | 70 (23.3) | 20 (21.7) | 50 (24) |
| Cardiac surgery theater | 97 (32.3) | 27 (29.4) | 70 (33.6) |
| Cardiac surgery ICU | 133 (44.4) | 45 (48.9) | 88 (42.4) |
R-group, patients with arterial signals affected by underdamping/resonance; NR-group, patients without arterial pressure artifact.
