Table 3 Comparison of operation 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 | |
|---|---|---|---|---|
Time to surgery from hospital arrival, hours* | 6.0 (3–70) | 5.5 (3–70) | 7.0 (4–51) | 0.089 |
Operative procedure, n (%) | ||||
Laparoscopic surgery (initially) | 38 (64.4) | 12 (54.5) | 26 (70.3) | 0.223 |
Laparoscopic-open conversion | 5 | 2 | 3 | – |
Laparoscopic surgery | 33 (55.9) | 10 (45.5) | 23 (62.2) | 0.211 |
Operation time, min | 141.0 (45.5) | 128.2 (34.9) | 148.7 (49.8) | 0.066 |
Estimated blood loss, mL* | 100.0 (3.0–910.0) | 100.0 (3.0–910.0) | 80.0 (3.0–760.0) | 0.349 |
Transfusion, n (%) | 4 (6.8) | 2 (9.1) | 2 (5.4) | 0.479 |