Table 4 Logistic regression of risk factors for postoperative FBG level ≥ 200 mg/dl during the postoperative period of TJA
Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
OR (95%CI) | P value | OR (95%CI) | P value | |
Preoperative dexamethasone | ||||
 0 mg | Reference | – | Reference | – |
 5 mg | 1.159(0.856–1.569) | 0.340 | 1.297(0.892–1.884) | 0.173 |
 10 mg | 1.459(1.082–1.967) | 0.013* | 1.380(0.958–1.986) | 0.084 |
Age (years old) | 1.005(0.991–1.019) | 0.471 |  |  |
Female | 1.424(1.070–1.895) | 0.015* | 1.412(0.905–2.202) | 0.129 |
BMI (kg/m2) | 1.008(0.973–1.044) | 0.655 |  |  |
Smoker | 0.729(0.514–1.034) | 0.076* | 0.775(0.454–1.324) | 0.351 |
Alcohol user | 0.793(0.575–1.095) | 0.159 |  |  |
Procedures | ||||
 TKA | Reference | – | Reference | – |
 THA | 0.730(0.571–0.934) | 0.012* | 0.749(0.544–1.032) | 0.077 |
ASA classificaiton | ||||
 II | Reference | – |  |  |
 III | 0.917(0.707–1.189) | 0.512 |  |  |
Primary diagnosis | ||||
 OA | Reference | – |  |  |
 DDH | 0.847 (0.615–1.167) | 0.310 |  |  |
 Dated fracture | 2.482 (0.805–7.651) | 0.114 |  |  |
 ONFH | 0.733 (0.497–1.080) | 0.117 |  |  |
 Traumatic OA | 1.410 (0.592–3.357) | 0.437 |  |  |
Laboratory examinations | ||||
 Preoperative HbA1c (%) | 4.639 (3.843–5.600) |  < 0.001* | 2.843 (2.232–3.621) |  < 0.001** |
 Preoperative FBG (mmol/L) | 2.028 (1.844–2.231) |  < 0.001* | 1.412 (1.250–1.596) |  < 0.001** |
 ESR (mm/h) | 1.007 (0.999–1.016) | 0.085* | 1.001 (0.991–1.012) | 0.826 |
 CRP (mg/L) | 1.030 (0.981–1.080) | 0.232 |  |  |
 Hemoglobin (g/L) | 1.006 (0.997–1.015) | 0.166 |  |  |
 Albumin (g/L) | 1.005 (0.973–1.038) | 0.761 |  |  |