Table 1 Demographic characteristics of patients in the groups with no delirium, subsyndromal delirium, and clinical delirium
From: Risk factors for postoperative delirium on oxygen delivery-guided perfusion
Variable | No delirium n = 53 (23.6%) | Subsyndromal delirium n = 163 (72.4%) | Clinical delirium n = 9 (4.0%) | P value | |||
|---|---|---|---|---|---|---|---|
Overall | ND vs. SD | ND vs. CD | SD vs. CD | ||||
Age (years) | 64.7 ± 14.2 | 67.5 ± 12.1 | 71.9 ± 8.7 | 0.193 | |||
Male | 35 (66.0%) | 97 (59.5%) | 4 (44.4%) | 0.424 | |||
BSA (m2) | 1.68 ± 0.19 | 1.62 ± 0.19 | 1.51 ± 0.14 | 0.014 | 0.06 | 0.033 | 0.246 |
BMI (kg/m2) | 23.6 ± 3.6 | 22.7 ± 3.2 | 21.8 ± 2.3 | 0.163 | |||
Hypertension | 26 (49.1%) | 79 (48.5%) | 6 (66.7%) | 0.568 | |||
Diabetes | 8 (15.1%) | 19 (11.7%) | 4 (44.4%) | 0.020 | 0.511 | 0.078 | 0.015 |
Peripheral vascular disease | 0 | 1 (0.6%) | 0 | 0.826 | |||
Previous TIA/CVA | 11 (20.8%) | 30 (18.4%) | 4 (44.4%) | 0.162 | |||
LVEF (%) | 62.9 ± 10.7 | 62.5 ± 11.0 | 62.7 ± 12.8 | 0.976 | |||
eGFR (mL/min/1.73m2) | 71.0 ± 19.7 | 69.8 ± 19.7 | 56.9 ± 20.4 | 0.138 | |||
Preoperative Hct (%) | 38.9 ± 4.3 | 38.4 ± 4.8 | 34.0 ± 4.4 | 0.016 | 0.793 | 0.012 | 0.018 |
Preoperative albumin (g/dL) | 4.0 ± 0.5 | 4.0 ± 0.3 | 3.9 ± 0.6 | 0.816 | |||
Euro SCORE II | 1.50 (0.85–3.06) | 1.95 (1.01–3.40) | 6.68 (2.33–11.50) | 0.005 | 0.471 | 0.006 | 0.01 |