Table 1 Participant Characteristics
Variable | No Delirium (n = 23,558) | Delirium (n = 1327) | p-value | % Missing |
|---|---|---|---|---|
Age (mean (SD)) | 59.24 (15.29) | 67.41 (15.02) | < 0.001 | 0 |
Sex (%) | 0 | |||
Male | 11,607 (49.3) | 669 (50.4) | 0.033 | |
ASA Class (%) | 0.7 | |||
1 | 1196 (5.1) | 6 (0.5) | < 0.001 | |
2 | 11,522 (49.2) | 319 (24.3) | < 0.001 | |
3 | 9948 (42.5) | 879 (67.0) | < 0.001 | |
4 | 728 (3.1) | 105 (8.0) | < 0.001 | |
Emergent Case (%) | 2220 (9.4) | 353 (26.6) | < 0.001 | 0 |
Inpatient (%) | 10,613 (45.1) | 930 (70.1) | < 0.001 | 0 |
Surgical Service (%)a | 0 | |||
Neurological Surgery | 3391 (14.4) | 420 (31.7) | < 0.001 | |
Orthopedics Surgery | 5911 (25.1) | 278 (20.9) | < 0.001 | |
General Surgery | 4975 (21.1) | 239 (18.0) | 0.007 | |
Vascular Surgery | 1081 (4.6) | 127 (9.6) | < 0.001 | |
Genito-Urologic Surgery | 2356 (10.0) | 47 (3.5) | < 0.001 | |
Otolaryngology-Head and Neck Surgery | 992 (4.2) | 33 (2.5) | 0.002 | |
Transplant Surgery | 1122 (4.8) | 26 (2.0) | < 0.001 | |
Gynecologic Oncology | 648 (2.8) | 22 (1.7) | 0.02 | |
Thoracic Surgery | 540 (2.3) | 16 (1.2) | 0.01 | |
Primary Language (%)b | 0 | |||
English | 21,513 (91.3) | 1195 (90.1) | 0.124 | |
Spanish | 992 (4.2) | 45 (3.4) | 0.166 | |
Chinese - Cantonese | 315 (1.3) | 36 (2.7) | < 0.001 | |
Unable to spell WORLD backwards (%) | 1367 (5.8) | 259 (19.5) | < 0.001 | 0 |
Not oriented to place (%) | 468 (2.0) | 134 (10.1) | < 0.001 | 0 |
History of Diabetes (%) | 4537 (19.3) | 385 (29.0) | < 0.001 | 0 |
History of Chronic Kidney Disease (%) | 2269 (9.6) | 155 (11.7) | 0.016 | 0 |
History of Heart Failure (%) | 987 (4.2) | 109 (8.2) | < 0.001 | 0 |
Smoking History (%) | 6241 (26.5) | 522 (39.3) | < 0.001 | 0 |