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Table 1 Baseline demographic and clinical characteristics

From: Medication use among patients with Crohn’s disease or ulcerative colitis before and after the initiation of advanced therapy

 

CD

UC

N = 540

N = 373

Age on index date (years)

  

 Mean (SD)

36.8 (14.6)

39.9 (15.2)

Age categories, n (%)

  

 18–34

275 (50.9)

161 (43.2)

 35–44

96 (17.8)

82 (22.0)

 45–54

86 (15.9)

58 (15.5)

 55–64

69 (12.8)

49 (13.1)

 ≥ 65

14 (2.6)

23 (6.2)

Sex, n (%)

  

 Female

270 (50.0)

164 (44.0)

Residence region, n (%)

  

 Northeast

88 (16.3)

62 (16.6)

 Midwest

160 (29.6)

104 (27.9)

 South

192 (35.6)

122 (32.7)

 West

94 (17.4)

84 (22.5)

Plan type, n (%)

  

 HMO

141 (26.1)

79 (21.2)

 PPO

299 (55.4)

232 (62.2)

 CDHP

100 (18.5)

62 (16.6)

 Other/unknown

0 (0)

0 (0)

Index diagnosis, n (%)

  

 2014

142 (26.3)

103 (27.6)

 2015

175 (32.4)

114 (30.6)

 2016

141 (26.1)

109 (29.2)

 2017

82 (15.2)

47 (12.6)

Time from index diagnosis to the initiation date of advanced therapies (months)

  

 Mean (SD)

7.1 (9.1)

10.9 (11.1)

Provider specialty on index date, n (%)

  

 Gastroenterologist

166 (30.7)

128 (34.3)

 Primary care physician

35 (6.5)

28 (7.5)

 Others

334 (61.9)

217 (58.2)

QCI

  

 Mean (SD)

0.4 (0.8)

0.5 (1.0)

Comorbid conditions, n (%)

  

 Peripheral vascular disease

16 (3.0)

11 (2.9)

 Chronic pulmonary disease

 

61 (11.3)

 Mild liver disease

 

49 (9.1)

 Diabetes without chronic complication

24 (4.4)

32 (8.6)

 Anemia

183 (33.9)

134 (35.9)

 Dyslipidemia

71 (13.1)

79 (21.2)

 Fibromyalgia

14 (2.6)

*

 Hypertension

105 (19.4)

88 (23.6)

 Mental illness

201 (37.2)

118 (31.6)

 Osteoarthritis

35 (6.5)

28 (7.5)

 Infections

291 (53.9)

207 (55.5)

 Nicotine dependence/tobacco use disorder

121 (22.4)

72 (19.3)

  1. CD Crohn’s disease, CDHP Consumer Directed Health Plan, QCI Quan-Charlson Comorbidity Index, SD standard deviation, UC ulcerative colitis, HMO Health Maintenance Organization, PPO Preferred Provider Organization, ref reference
  2. *Denotes a cell value ≤ 10 that was blinded for privacy reasons