Table 1.
Comparison of demographic, laboratory, and comprehensive geriatric assessment components by post‐operative complication
| No complication (n = 582) | Complication (n = 66) | P values | |
|---|---|---|---|
| Demographic | |||
| Age (years) | 76.3 (5.3) | 79.0 (5.9) | <0.001 |
| Sex (male/female) | 261/321 | 45/21 | <0.001 |
| Body mass index (kg/m2) | 23.9 (3.5) | 23.5 (3.9) | 0.342 |
| ASA class (1/2/3/4)a | 61/405/97/2 | 2/34/27/1 | <0.001 |
| Laboratory | |||
| WBCs (×103/μL) | 6.5 (2.1) | 7.8 (2.7) | <0.001 |
| Haemoglobin (g/dL) | 12.6 (1.8) | 11.8 (2.2) | 0.003 |
| Platelets (×103/μL) | 252.1 (73.8) | 279.1 (105.9) | 0.048 |
| BUN (mg/dL) | 16.5 (6.4) | 17.7 (7.4) | 0.138 |
| Creatinine (mg/dL) | 0.87 (0.52) | 0.92 (0.30) | 0.485 |
| Total cholesterol (mg/dL)b | 171.2 (41.5) | 154.6 (40.7) | 0.002 |
| Protein (mg/dL) | 7.0 (0.6) | 6.7 (0.7) | 0.001 |
| Albumin (mg/dL) | 4.1 (0.5) | 3.6 (0.6) | <0.001 |
| AST (IU/L) | 26.5 (19.3) | 29.7 (30.5) | 0.417 |
| ALT (IU/L) | 22.0 (21.0) | 21.1 (18.3) | 0.743 |
| Comprehensive geriatric assessment | |||
| Charlson's co‐morbidity index | 2.5 (1.4) | 3.0 (1.3) | 0.016 |
| Polypharmacy (≥5) | 281 (48.0%) | 38 (57.6%) | 0.142 |
| ADL dependency (partial and full) | 5 (0.9%) | 6 (9.1%) | <0.001 |
| IADL dependency | 44 (7.6%) | 22 (33.3%) | <0.001 |
| MMSE‐KCc | 23.9 (4.5) | 19.8 (6.0) | <0.001 |
| SGDS‐Kd | 3.8 (3.6) | 4.6 (4.0) | 0.122 |
| NuDESC ≥2e | 17 (2.9%) | 14 (21.2%) | <0.001 |
| MNAe | 24.4 (3.8) | 21.8 (4.9) | <0.001 |
| Mid‐arm circumference (cm) | 25.3 (2.7) | 25.0 (2.8) | 0.354 |
| Grip strength (kg) | 24.4 (8.5) | 22.1 (9.7) | 0.039 |
| Gait speed (m/s)f | 1.03 (0.28) | 0.87 (0.28) | <0.001 |
| MFS | 4.81 (2.2) | 7.24 (2.9) | <0.001 |
Data are presented as mean (standard deviation) or number (%). ADL, activities of daily living; ALT, alanine aminotransferase; ASA, American Society of Anesthesiologists; AST, aspartate aminotransferase; BUN, blood urea nitrogen; IADL, instrumental activities of daily living; MFS, multidimensional frailty score; MMSE‐KC, Korean version of the Mini‐Mental Status Examination; MNA, Mini Nutritional Assessment; NuDESC, Nursing Delirium Screening Scale; SGDS‐K, short form of the Korean Geriatric Depression Scale; WBCs, white blood cells.
Data were missing for 19 patients.
Data were missing for four patients.
Data were missing for five patients.
Data were missing for 12 patients.
Data were missing for one patient.
Data were missing for 51 patients.