Table 10.

Definitions of Baseline Characteristics^a

Disease group	AHRQ-CSS category
Alcohol-related disorders	Category 660
Substance-related disorders	Category 661
Hypertension	Category 98
Acute kidney injury	Category 157
Asthma	Category 128
Gastrointestinal hemorrhage	Category 153
Gastritis/duodenitis	Category 140
Nonspecific chest pain	Category 102
Heart disease not otherwise specified	Category 104
Osteoarthritis, arthropathy, and back disorder	Categories 203, 204, 205
Sprains, strains, and trauma-related joint disorders	Categories 225, 232
Fracture of bone	Categories 226, 229, 230, 231
Osteoporosis	Category 206
Rehabilitation care; fitting of prostheses and adjustment of devices	Category 254

AHRQ-CCS Agency for Health Research and Quality Clinical Classifications Software¹¹

^aDiagnosis is based on ICD-9-CM codes as identified in respective disease category of AHRQ-CCS