Research Article
Early Pulmonary Complications following Total Knee Arthroplasty under General Anesthesia: A Prospective Cohort Study Using CT Scan
Table 2
Univariate analysis of the risk factors for PPC.
| | Variable | Non-PPC () | PPC () | value |
| | Male gender (%) | 8 (13.3) | 12 (23.53) | 0.164 | | Age, years (mean ± standard deviation) | 66.5 (8.1) | 67.4 (7.5) | 0.548 | | BMI, kg/m2 (mean ± standard deviation) | 27.2 (3.1) | 25.6 (3.6) | 0.015 | | Diabetes (%) | 9 (15.0) | 5 (9.8) | 0.411 | | Hypertension (%) | 35 (58.3) | 28 (54.9) | 0.716 | | Malignance (%) | 3 (5.0) | 0 (0) | 0.105 | | Heart disease (%) | 12 (20.0) | 12 (23.5) | 0.653 | | Anemia (%) | 1 (1.7) | 4 (7.8) | 0.118 | | Stroke (%) | 15 (25.0) | 9 (17.7) | 0.348 | | Steroid use (%) | 6 (10.0) | 7 (13.7) | 0.543 | | Smoking (%) | 1 (1.7) | 6 (11.8) | 0.029 | | Preoperative hemoglobin level, g/L (mean ± standard deviation) | 131.1 (12.6) | 130.0 (13.5) | 0.667 | | Diagnosis of RA (%) | 3 (5.0) | 2 (3.9) | 0.785 | | Operation time, minutes (mean ± standard deviation) | 120.7 (17.7) | 128.2 (19.9) | 0.038 | | Tourniquet time, minutes (mean ± standard deviation) | 63.9 (11.1) | 66.3 (11.3) | 0.247 | | Intraoperative blood loss, ml (mean ± standard deviation) | 238.2 (88.7) | 244.3 (105.1) | 0.739 | | Postoperative drainage, ml (mean ± standard deviation) | 543.2 (339.8) | 473.1 (335.5) | 0.279 | | Blood transfusion (%) | 26 (43.3) | 36 (70.6) | 0.004 | | Hypoxemia (%) | 3 (5.0) | 6 (11.8) | 0.193 |
|
|
was considered statistically significant.
PPC, postoperative pulmonary complication; BMI, body mass index; RA, rheumatoid arthritis.
|
