Table 1.
Comparison of preoperative characteristics between dementia and non-dementia group in patients over 85 years of age with acute cholecystitis
| Total (n = 59) | Patients with dementia (n = 22) | Patients without dementia (n = 37) | p value | |
|---|---|---|---|---|
| Age, years* | 87 (85–100) | 89 (85–100) | 86 (85–96) | < 0.001 |
| Sex (Male), n (%) | 26 (44.1) | 6 (27.3) | 20 (54.1) | 0.045 |
| BMI, kg/m2 | 22.1 (3.8) | 20.4 (2.8) | 23.2 (4.0) | 0.011 |
| Comorbidity, n (%) | ||||
| Congestive heart failure | 5 (8.5) | 3 (13.6) | 2 (5.4) | 0.264 |
| Cerebrovascular disease | 10 (16.9) | 6 (27.3) | 4 (10.8) | 0.103 |
| Chronic pulmonary disease | 4 (6.8) | 1 (4.5) | 3 (8.1) | 0.521 |
| Liver disease | 2 (3.4) | 1 (4.5) | 1 (2.7) | 0.611 |
| Diabetes | 8 (13.6) | 1 (4.5) | 7 (18.9) | 0.120 |
| Chronic kidney disease | 3 (5.1) | 1 (4.5) | 2 (5.4) | 0.690 |
| Malignant tumor | 2 (3.1) | 1 (4.5) | 1 (2.7) | 0.611 |
| Charlson comorbidity index score | 1.36 (1.37) | 1.91 (1.23) | 1.03 (1.36) | 0.016 |
| ASA score, n (%) | 0.384 | |||
| 2E | 44 (74.6) | 15 (68.2) | 29 (78.4) | |
| 3E | 15 (25.4) | 7 (31.8) | 8 (21.6) | |
| Anticoagulant therapy, n (%) | 16 (27.1) | 7 (31.8) | 9 (24.3) | 0.531 |
BMI Body mass index, ASA American Society of Anesthesiologists
Continuous parameters are presented as the mean (standard deviation) or median (range)*, and categorical parameters are presented as n (%)