Table 2 Laboratory characteristics of delirium and no delirium patients
From: Risk factors for postoperative delirium in orthopaedic hip surgery patients: a database review
|  | Delirium (n = 1,175) | No Delirium (n = 6,186) | p |
|---|---|---|---|
Sodium Level, n (%) | 0.002 | ||
 Hyponatremia | 162 (14.2) | 778 (13.2) |  |
 Normal Sodium | 976 (85.3) | 5,109 (86.7) |  |
 Hypernatremia | 6 (0.5) | 5 (0.1) |  |
Leukocytosis, n (%) | 283 (24.6) | 708 (11.9) |  < 0.001 |
Low Platelets, n (%) | 132 (11.5) | 424 (7.1) |  < 0.001 |
Anemia, n (%) |  < 0.001 | ||
 No Anemia | 572 (49.6) | 3,946 (66.3) |  |
 Mild Anemia | 336 (29.1) | 1,290 (21.7) |  |
 Moderate/Severe Anemia | 246 (21.3) | 714 (12.0) |  |
Dehydration, n (%) |  < 0.001 | ||
 Not Dehydrated | 420 (41.1) | 2,310 (44.8) |  |
 Moderately Dehydrated | 251 (24.6) | 1,418 (27.5) |  |
 Severely Dehydrated | 351 (34.3) | 1,430 (27.7) |  |
Hypoalbuminemia, n (%) | 260 (36.6) | 603 (18.5) |  < 0.001 |
High Alkaline Phosphatase, n (%) | 39 (6.1) | 103 (3.7) | 0.006 |
PTT, mean ± SD | 30.0 ± 7.1 | 30.1 ± 6.8 | 0.807 |
INR, mean ± SD | 1.13 ± 0.22 | 1.10 ± 0.25 |  < 0.001 |