Table 1.

Baseline data for patients with Truven commercial claims (720.0 cohort).

CharacteristicsTotal AS Study Population, n = 11,945With Chronic Opioid Use, n = 2812Without Chronic Opioid Use, n = 9133p (chronic opioid use vs not)
Age, yrs< 0.0001
  Mean (SD)46 (11.6)48 (10.3)45 (11.9)
  18–24738 (6.2)74 (2.6)664 (7.3)
  25–341575 (13.2)301 (10.7)1274 (13.9)
  35–442798 (23.4)610 (21.7)2188 (24.0)
  45–543599 (30.1)961 (34.2)2638 (28.9)
  ≥ 553235 (27.1)866 (30.8)2369 (25.9)
Sex< 0.0001
  Female5462 (45.7)1401 (49.8)4061 (44.5)
  Male6483 (54.3)1411 (50.2)5072 (55.5)
Rheumatologist as provider on index claim< 0.0001
  Yes6958 (58.3)1468 (52.2)5490 (60.1)
Comorbidities
  Depression1853 (15.5)715 (25.4)1138 (12.5)< 0.0001
  Anxiety1653 (13.8)587 (20.9)1066 (11.7)< 0.0001
  RA946 (7.9)349 (12.4)597 (6.5)< 0.0001
  PsA477 (4.0)143 (5.1)334 (3.7)0.0007
  Psoriasis381 (3.2)93 (3.3)288 (3.2)0.6848
  IBD675 (5.7)201 (7.1)474 (5.2)< 0.0001
  Opioid dependence or abuse180 (1.5)133 (4.7)47 (0.5)< 0.0001
Imaging or genotyping procedures
  MRI or radiograph4559 (38.2)1301 (46.3)3258 (35.7)< 0.0001
  Radiograph3946 (33.0)1093 (38.9)2853 (31.2)< 0.0001
  MRI1840 (15.4)635 (22.6)1205 (13.2)< 0.0001
  HLA-B27 testing1708 (14.3)379 (13.5)1329 (14.6)0.1550
  • Values are n (%) unless otherwise specified. AS: ankylosing spondylitis; RA: rheumatoid arthritis; PsA: psoriatic arthritis; IBD: inflammatory bowel disease; MRI: magnetic resonance imaging.