Table 2 Baseline patient characteristics
Grand total N = 155 | CUS ‘–‘ N = 81 (52.3 %) | CUS’ + ‘ N = 74 (47.7 %) | P-value | |
|---|---|---|---|---|
Demographic | ||||
Age [mean, (SD)] | 57.1 (16.4) | 49.4 (15.6) | 65.5 (12.7) | <0.0001 |
Female sex [no. (%)] | 83 (53.5) | 47 (58.0) | 36 (48.7) | 0.2424 |
BMI (kg/m2) [mean, (SD)] | 26.2 (5.2) | 26.6 (5.5) | 25.7 (5.0) | 0.3210 |
Medical history [no. (%)] | ||||
Hypertension | 89 (57.4) | 36 (44.4) | 53 (71.6) | 0.0006 |
Diabetes | 13 (8.4) | 6 (7.4) | 7 (9.5) | 0.6453 |
Renal failure | 8 (5.2) | 3 (3.7) | 5 (6.8) | 0.4801 |
Chronic obstructive pulmonary disease | 15 (9.7) | 3 (3.7) | 12 (16.2) | 0.0085 |
Ischaemic heart disease | 35 (22.6) | 6 (7.4) | 29 (39.2) | <0.0001 |
Heart failure | 7 (4.5) | 2 (2.5) | 5 (6.8) | 0.2596 |
Valve disease [no. (%)] | 6 (3.9) | 0 (0) | 6 (8.1) | 0.0106 |
Arrhythmia [no. (%)] | 30 (19.4) | 8 (9.9) | 22 (29.7) | 0.0018 |
ASA grade [no. (%)] | ||||
I | 41 (26.4) | 34 (42.0) | 7 (9.5) | <0.0001 |
II | 77 (49.7) | 37 (45.7) | 40 (54.0) | |
III | 37 (23.9) | 10 (12.3) | 27 (36.5) | |
Surgical procedure [no. (%)] | ||||
ENT | 45 (29.0) | 27 (33.3) | 18 (24.3) | 0.4660 |
General + vascular | 100 (64.%) | 49 (60.5) | 51 (68.9) | |
Neurosurgery | 10 (6.5) | 5 (6.2) | 5 (6.8) | |
Duration of examination (sec) [mean, (SD)] | 181.8 (53.3) | 167.7 (48.5) | 197.3 (54.5) | 0.0005 |