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Table 2 Odds ratios for prior antibiotic use in individuals with coeliac disease, small-intestinal inflammation and normal mucosa a

From: Antibiotic exposure and the development of coeliac disease: a nationwide case–control study

 

Coeliac disease

Inflammation

Normal mucosaa

 

Cases

Controls

Odds ratio

95% CI

Cases

Controls

Odds ratio

95% CI

Cases

Controls

Odds ratio

95% CI

 

(%)

(%)

  

(%)

(%)

  

(%)

(%)

  

Any antibiotics b

793/2933 (27.0)

3081/14571 (21.1)

1.40

1.27-1.53

836/2118 (39.5)

2687/10442 (25.7)

1.90

1.72–2.10

205/620 (33.1)

757/3069 (24.7)

1.58

1.30–1.92

Courses of antibiotics

            

1-2 courses

639/2779 (23.0)

2573/14063 (18.3)

1.36

1.23-1.50

619/1901 (32.6)

2146/9901 (21.7)

1.75

1.57-1.95

153/568 (26.9)

621/2933 (21.2)

1.45

1.17-1.80

≥3 courses

154/2294 (6.7)

508/11998 (4.2)

1.58

1.31-1.92

217/1499 (14.5)

541/8296 (6.5)

2.50

2.10-2.97

52/467 (11.1)

136/2448 (5.6)

2.28

1.56-3.33

Sex

            

Males

278/1137 (24.5)

1026/5645 (18.2)

1.48

1.27-1.72

282/782 (36.1)

824/3848 (21.4)

2.10

1.78-2.48

69/224 (30.8)

217/1099 (19.7)

1.93

1.38–2.69

Females

515/1796 (28.7)

2055/8926 (23.0)

1.36

1.21-1.52

554/1336 (41.5)

1863/6594 (28.3)

1.81

1.60-2.04

136/396 (34.3)

540/1970 (27.4)

1.43

1.12–1.82

  1. Odds ratios estimated through conditional logistic regression modelling.
  2. a Positive coeliac disease serology 180 days before biopsy and until 30 days after biopsy in individuals with normal mucosa.
  3. b Antibiotics used between July 1st 2005 and January 29th 2008.