. Author manuscript; available in PMC: 2018 Sep 1.

Published in final edited form as: J Arthroplasty. 2017 Mar 31;32(9 Suppl):S241–S245.e3. doi: 10.1016/j.arth.2017.03.037

Table 2.

Baseline patient characteristics and comorbidities. Percentages or proportions are shown along with the ICD-9 codes corresponding to the comorbidity of interest. “CD” indicates that the codes were derived from the Charlson-Deyo comorbidity index.

Comorbidity	Proportion	ICD-9 codes
Hypertension	105 / 149 (70.5%)	401–406
Anemia	99 / 149 (66.4%)	280–285
Obesity	68 / 149 (45.6%)	278.00–278.03
Hyperlipidemia	63 / 149 (42.3%)	272.0–272.5
Diabetes mellitus without complication^CD	39 / 149 (26.2%)	250.4–250.6
Chronic pulmonary disease^CD	37 / 149 (24.8%)	490–506.0, 506.4
Tobacco abuse	33 / 149 (22.1%)	305.1
Psychiatric disease	31 / 149 (20.8%)	290.0–299.91
Coronary artery disease	24 / 149 (16.1%)	410.00–412,414.0–414.9
Renal disease^CD	23 / 149 (15.4%)	582.0–583.7, 585.1–586, 588.0–588.9
Avascular necrosis	22 / 149 (14.8%)	733.4–733.49
Sleep apnea	20 / 149 (13.4%)	327.20–327.29
Rheumatic disease^CD	19 / 149 (12.8%)	710.0, 710.1, 710.4, 714.0–714.2, 714.81, 725
Malignancy^CD	18 / 149 (12.1%)	140.0–172.9, 174.0.–195.8, 200.0–208.92
Congestive heart failure^CD	17 / 149 (11.4%)	428.0–428.9
Cerebrovascular disease^CD	17 / 149 (11.4%)	430–438.9