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Table 1 Demographics and baseline characteristics of patients in the “any pain medication” cohort

From: Patient characteristics, pain treatment patterns, and incidence of total joint replacement in a US population with osteoarthritis

Characteristic N = 1 992 670
Age, mean (SD), years 68.4 (12.3)
Age group, n (%)
 18–44 years 87 110 (4.4)
 45–64 years 648 388 (32.5)
 65–74 years 627 246 (31.5)
  ≥ 75 years 629 926 (31.6)
Sex, n (%)
 Female 1 176 078 (59.0)
 Male 816 557 (41.0)
 Missing 35 (0.0)
Comorbidities a during year prior to index, n (%)
 Cardiovascular disease 1 407 848 (70.7)
 Diabetes 547 181 (27.5)
 Obesity 378 799 (19.0)
 Gastrointestinal hemorrhage 354 631 (17.8)
 Chronic kidney disease 344 424 (17.3)
 Depression 327 448 (16.4)
 Osteoporosis 200 734 (10.1)
 Gout 104 686 (5.3)
  1. SD standard deviation
  2. aRecorded in ≥ 5% of patients