Table 2.

Key baseline comorbidities at time of HRF application. 2: By age category; Table 3: By diagnosis category. The categories: “Deep Infection with Nonunion” and “Deep Infection Only” were aggregated under “Deep Infection” as values were similar for both. Comorbidity by Patient Age Group

Variables	Overall (N = 1,818)	Adult (N = 1,688)	Pediatric (N = 130)
Hypertension (with or without complications)	737 (40.5%)	736 (43.6%)	1 (0.8%)
All Diabetes (with or without complications)	432 (23.8%)	431 (25.5%)	1 (0.8%)
Complicated Diabetes	233 (12.8%)	233 (13.8%)	0 (0.0%)
Obesity	276 (15.2%)	255 (15.1%)	21 (16.2%)
Chronic Pulmonary Diseases (including asthma)	273 (15.0%)	259 (15.3%)	14 (10.8%)
Fluid and Electrolyte Disorders	225 (12.4%)	223 (13.2%)	2 (1.5%)
Depression	217 (11.9%)	214 (12.7%)	3 (2.3%)
Cardiac Arrythmia	153 (8.4%)	151 (8.9%)	2 (1.5%)
Hypothyroidism	149 (8.2%)	148 (8.8%)	1 (0.8%)
Alcohol Abuse	141 (7.8%)	140 (8.3%)	1 (0.8%)
Renal Failure	139 (7.6%)	139 (8.2%)	0 (0.0%)
Drug Abuse	126 (6.9%)	124 (7.3%)	2 (1.5%)