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

Dexamethasone

Yes – No

3.07 (2.34, 4.03)

< 0.001*

4.03 (2.44, 6.65)

< 0.001*

 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 A^a– None

10.65 (5.14, 22.10)

< 0.001*

8.77 (2.61, 29.52)

0.001*

Insulin B^b– 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*

 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*