Table 1 Baseline and perioperative characteristics of patients according to their performance at Clock Drawing Test
Characteristics | “CDT high-score” group (n = 59) | “CDT low-score” group (n = 34) | P Value |
|---|---|---|---|
Age, year | 72.0 [68.0, 78.0] | 72.5 [69.0, 77.0] | 0.933 |
Female, n (%) | 33 (55.9) | 21 (61.8) | 0.583 |
Body mass index, kg.m−2 | 26.7 [23.7, 30.8] | 27.2 [24.1, 30.1] | 0.854 |
Education level, n (%) | 0.049 | ||
Lower (≤ 9 years) | 19 (32.2) | 18 (52.9) | |
Higher (> 9 years) | 40 (67.8) | 16 (47.1) | |
ASA physical status, n (%) | 0.277 | ||
I—II | 35 (59.3) | 24 (70.6) | |
III | 24 (40.7) | 10 (29.4) | |
Grade of surgery, n (%) | 0.912 | ||
Minor | 15 (25.4) | 9 (26.5) | |
Intermediate / Major | 43 (72.9) / 1 (1.7) | 25 (73.5) / 0 (0.0) |