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Table 3 Adjusted Odds Ratios and Estimates for Primary and Secondary Outcomes

From: Dexamethasone and postoperative hyperglycemia in diabetics undergoing elective hip or knee arthroplasty: a case control study in 238 patients

Characteristic Level Post-op Hyperglycemia (72 h) Post-op Hyperglycemia (24 h)
Odds Ratio (95% CI) P-value Odds Ratio (95% CI) P-value
Dexamethasone Yes – No 3.07 (2.34, 4.03) < 0.001* 4.03 (2.44, 6.65) < 0.001*
Use
 Medical THA – TKA 1.09 (0.83, 1.42) 0.540 1.67 (1.01, 2.76) 0.046*
 Procedure THA – UKA 1.53 (0.93, 2.51) 0.100 1.96 (0.90, 4.33) 0.092
 Diabetes type Type I – Type II 1.89 (1.20, 3.00) 0.006* 0.98 (0.36, 2.68) 0.969
 Diabetic Oral hyperglycemic – 3.89 (2.07, 7.31) < 0.001* 2.53 (0.97, 6.61) 0.058
 Medication None 7.96 (4.20, 15.09) < 0.001* 5.37 (1.99, 14.44) 0.001*
Insulin Aa– None 10.65 (5.14, 22.10) < 0.001* 8.77 (2.61, 29.52) 0.001*
Insulin Bb– None     
 Gender Female – Male 1.23 (0.94, 1.60) 0.126 1.34 (0.82, 2.20) 0.242
 Age One unit increase 1.01 (1.00, 1.02) 0.226 1.02 (1.00, 1.05) 0.051
 BMI One unit increase 1.00 (0.97, 1.02) 0.615 1.00 (0.96, 1.05) 0.871
 Pre-Op HgbA1c One unit increase 1.38 (1.23, 1.54) < 0.001* 1.26 (1.03, 1.52) 0.022*
Post-op Hyperglycemia by Dose (72 h)
 Dexamethasone Yes – No     
 Use 4,5, or 8 mg – No 1.75 (1.04, 2.94) 0.034*   
10 mg – 4,5, or 8 mg 2.01 (1.18, 3.42) 0.010*   
10 mg – No 3.52 (2.64, 4.71) < 0.001*   
  1. *P-value < 0.05
  2. a< 0.6 units/kg/day or 80 units/day
  3. b> 0.6 units/kg/day or 80 units/day