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Table 2 Number and percentage of adults with intellectual disabilities prescribed anticholinergic medication by medication class (BNF chapter), in comparison with general population adults

From: A study on prescriptions contributing to the risk of high anticholinergic burden in adults with intellectual disabilities: retrospective record linkage study

BNF chapter

Adults prescribed anticholinergic medications (n = 4,701)

OR [95% CI], p value*

Intellectual disabilities (n = 1,654)

General population (n = 3,047)

Gastro-intestinal system

773 (46.7%)

1,505 (49.4%)

1.00 [0.88–1.13], p = 0.985

Cardiovascular system

477 (28.4%)

1,419 (46.6%)

0.61 [0.53–0.71], p < 0.001

Respiratory system

222 (13.4%)

373 (12.3%)

1.06 [0.88–1.27], p = 0.547

Central nervous system

1,037 (62.6%)

1,231(40.4%)

2.23 [1.96–2.53], p < 0001

Infections

9 (0.54%)

53(1.7%)

0.43 [0.21–0.86], p = 0.017

Endocrine system

29 (1.8%)

120 (3.9%)

0.45 [0.29–0.68], p < 0.001

Obstetrics, gynaecology and urinary-tract disorders

51 (3.1%)

40 (1.3%)

2.82 [1.83–4.34], p < 0.001

Musculoskeletal and joint diseases

65 (3.9%)

40 (1.3%)

2.49 [1.69–3.67], p < 0.001

  1. All regression models are adjusted for sex, age, and SIMD (neighbourhood deprivation)
  2. *OR Odds Ratio, 95% CI Confidence Interval and corresponding p value for the Intellectual Disabilities group effect with the General Population as the reference group