Table 2.
Characteristic of study participants.
| Characteristics | Total Mean ± SD |
CCR categorical (ml/min) | p-value* | ||
|---|---|---|---|---|---|
| ≤80 Mean ± SD |
>80, ≤120 Mean ± SD |
>120 Mean ± SD |
|||
| N | 3,177 | 1,695 | 1,064 | 418 | |
| Gender, N (%) | <0.01 | ||||
| Female | 2,181 (68.65%) | 1,383 (81.59%) | 625 (58.74%) | 173 (41.39%) | |
| Male | 996 (31.35%) | 312 (18.41%) | 439 (41.26%) | 245 (58.61%) | |
| Age, years | 67.90 ± 10.98 | 72.92 ± 10.45 | 63.29 ± 8.60 | 59.27 ± 7.38 | <0.01 |
| CCR, ml/min | 81.28 ± 35.83 | ||||
| PT, s | 11.86 ± 1.50 | 11.86 ± 1.61 | 11.89 ± 1.29 | 11.82 ± 1.55 | 0.01 |
| APTT, s | 28.24 ± 4.29 | 28.70 ± 4.46 | 27.77 ± 3.77 | 27.58 ± 4.61 | <0.01 |
| Platelet, ×109/L | 178.69 ± 63.58 | 171.21 ± 61.52 | 185.52 ± 65.15 | 191.66 ± 63.87 | <0.01 |
| Hemoglobin, g/L | 123.68 ± 18.27 | 122.44 ± 19.60 | 125.83 ± 16.48 | 123.23 ± 16.44 | <0.01 |
| Albumin, g/L | 39.69 ± 4.42 | 39.34 ± 4.61 | 40.10 ± 4.13 | 40.03 ± 4.22 | <0.01 |
| Calcium, mmol/L | 2.19 ± 0.13 | 2.19 ± 0.13 | 2.19 ± 0.13 | 2.17 ± 0.13 | 0.05 |
| Neutrophil, ×109/L | 6.76 ± 3.21 | 6.66 ± 3.21 | 6.88 ± 3.23 | 6.88 ± 3.14 | 0.12 |
| Lymphocyte, ×109/L | 1.21 ± 0.53 | 1.21 ± 0.54 | 1.21 ± 0.51 | 1.21 ± 0.55 | 0.97 |
| Monocyte, ×109/L | 0.52 ± 0.31 | 0.52 ± 0.26 | 0.52 ± 0.40 | 0.51 ± 0.22 | 0.69 |
| Potassium, mmol/L | 3.85 ± 0.44 | 3.91 ± 0.46 | 3.80 ± 0.41 | 3.70 ± 0.39 | <0.01 |
| Uric acid, μmol/L | 281.19 ± 91.47 | 297.75 ± 96.47 | 269.82 ± 82.80 | 243.06 ± 74.47 | <0.01 |
| ASA, N (%) | <0.01 | ||||
| 1 | 467 (14.70%) | 202 (11.92%) | 184 (17.29%) | 81 (19.38%) | |
| 2 | 2083 (65.56%) | 1,014 (59.82%) | 763 (71.71%) | 306 (73.20%) | |
| ≥3 | 627 (19.74%) | 479 (28.26%) | 117 (11.00%) | 31 (7.42%) | |
| Hypertension, N (%) | <0.01 | ||||
| No | 2,787 (87.72%) | 1,429 (84.31%) | 971 (91.26%) | 387 (92.58%) | |
| Yes | 390 (12.28%) | 266 (15.69%) | 93 (8.74%) | 31 (7.42%) | |
| Diabetes, N (%) | 0.05 | ||||
| No | 3,069 (96.60%) | 1,625 (95.87%) | 1,037 (97.46%) | 407 (97.37%) | |
| Yes | 108 (3.40%) | 70 (4.13%) | 27 (2.54%) | 11 (2.63%) | |
| Tumor, N (%) | 0.40 | ||||
| No | 3,143 (98.93%) | 1,673 (98.70%) | 1,055 (99.15%) | 415 (99.28%) | |
| Yes | 34 (1.07%) | 22 (1.30%) | 9 (0.85%) | 3 (0.72%) | |
| Shock, N (%) | 0.64 | ||||
| No | 3,175 (99.94%) | 1,693 (99.88%) | 1,064 (100.00%) | 418 (100.00%) | |
| Yes | 2 (0.06%) | 2 (0.12%) | 0 (0.00%) | 0 (0.00%) | |
| Smoking, N (%) | <0.01 | ||||
| No | 2,769 (91.63%) | 1,571 (96.56%) | 881 (88.54%) | 317 (79.25%) | |
| Yes | 253 (8.37%) | 56 (3.44%) | 114 (11.46%) | 83 (20.75%) | |
CCR, creatinine clearance; SD, standard deviation; PT, Prothrombin Time; APTT, Activated Partial Thromboplastin Time; ASA, American Society of Anesthesiologists.