Table 4: Full logistic model assessing positive C-reactive protein Labs.

 

Crude Odds Ratio

Adjusted Odds Ratio

Estimate

95% Confidence Interval

P-value

Estimate

95% Confidence Interval

P-value

Erythrocyte Sedimentation Rate

1.057

(1.043, 1.072)

< 0.0001

1.056

(1.040, 1.072)

< 0.0001

Gender

Female

1.684

(1.259, 2.253)

0.0004

1.063

(0.749, 1.509)

0.732

Male

Reference

Reference

Reference

Reference

Reference

Reference

Rheumatoid Arthritis

Yes

6.036

(2.068, 17.612)

0.001

3.034

(0.873, 10.547)

0.0807

No

Reference

Reference

Reference

Reference

Reference

Reference

Procedure

Total Hip Arthroplasty

1.311

(0.982, 1.750)

0.0664

1.973

(1.389, 2.803)

0.0001

Total Knee Arthroplasty

Reference

Reference

Reference

Reference

Reference

Reference

Periprosthetic joint infection

Yes

2.442

(0.852, 6.995)

0.0964

1.641

(0.488, 5.519)

0.4235

No

Reference

Reference

Reference

Reference

Reference

Reference

Urinalysis

Positive

1.543

(1.068, 2.231)

0.021

1.209

(0.794, 1.84)

0.3762

Negative

Reference

Reference

Reference

Reference

Reference

Reference

Smoking Status

Former

0.695

(0.450, 1.073)

0.0397

0.54

(0.328, 0.888)

0.0116

Never

0.96

(0.648, 1.423)

0.3312

0.762

(0.482, 1.203)

0.8311

Current

Reference

Reference

Reference

Reference

Reference

Reference

Body Mass Index

Underweight

0.478

(0.051, 4.446)

4.446

0.197

(0.015, 2.625)

0.1106

Normal

Reference

Reference

Reference

Reference

Reference

Reference

Overweight

0.906

(0.543, 1.511)

0.6108

0.977

(0.551, 1.732)

0.9197

Obese

2.906

(1.850, 4.565)

0.0006

4.102

(2.442, 6.89)

< 0.0001

Renal Disease

 

Yes

1.207

(0.765, 1.904)

0.4186

No

Reference

Reference

Reference

Prior Surgery

Yes

1.162

(0.812, 1.662)

0.4123

No

Reference

Reference

Reference

HIV

Yes

1.187

(0.526, 2.683)

0.6795

No

Reference

Reference

Reference

Diabetes Mellitus

Yes

0.885

(0.641, 1.223)

0.4594

No

Reference

Reference

Reference

Avascular Necrosis

Yes

0.761

(0.455, 1.273)

0.2984

No

Reference

Reference

Reference

Revision

Yes

1.134

(0.642, 2.001)

0.6647

No

Reference

Reference

Reference

Congestive Heart Failure

Yes

0.695

(0.368, 1.315)

0.264

No

Reference

Reference

Reference

Coagulation Condition

Yes

1.044

(0.586, 1.862)

0.8828