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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