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Table 2 Description of suspected diagnoses associated with clinical exome sequencing prescriptions

From: Predictors of the utility of clinical exome sequencing as a first-tier genetic test in patients with Mendelian phenotypes: results from a referral center study on 603 consecutive cases

Suspected diagnoses

   

Metabolic disorders—n/N, % (95% CI)

173/426

40.6

(35.9–45.3)

 One-carbon metabolism disorders

104/426

24.4

(20.3–28.5)

 Energy metabolism disorders

9/426

2.1

(0.7–3.5)

 Organic acidurias

6/426

1.4

(0.3–2.5)

 Congenital hyperinsulinisms

6/426

1.4

(0.3–2.5)

 Lysosomal storage disorders*

6/426

1.4

(0.3–2.5)

 Glycogen storage diseases

5/426

1.2

(0.1–2.2)

 Hyperbilirubinemias

5/426

1.2

(0.1–2.2)

 Peroxisomal disorders

5/426

1.2

(0.1–2.2)

 Biopterin metabolism disorders

5/426

1.2

(0.1–2.2)

 Calcium and phosphorus metabolic disorders

5/426

1.2

(0.1–2.2)

 Alkaptonuria

3/426

0.7

(0†–1.5)

 Metabolic disorders, miscellaneous

14/426

3.3

(1.6–5.0)

Dyslipidemia

76/426

17.8

(14.2–21.5)

 Hypercholesterolemia

46/426

10.8

(7.8–13.8)

 Hypertriglyceridemia

20/426

4.7

(2.7–6.7)

 Hypolipoproteinemia

5/426

1.2

(0.1–2.2)

 Mixed dyslipidemia

2/426

0.5

(0†–1.1)

 Dyslipidemia, Other

3/426

0.7

(0†–1.5)

Liver and biliary tract disorders

65/426

15.3

(12.0–19.1)

 Hyperferritinemia

19/426

4.5

(2.5–6.4)

 Low phospholipid-associated cholelithiasis

12/426

2.8

(1.2–4.4)

 Cholestatic disorders

12/426

2.8

(1.2–4.4)

 Wilson’s disease

9/426

2.1

(0.7–3.5)

 Cryptogenic cirrhosis

4/426

0.9

(0–1.9)

 Chronic liver cytolysis

4/426

0.9

(0–1.9)

 Alpha-1-antitrypsin deficiency

2/426

0.5

(0†–1.1)

 Polycystic liver disease

2/426

0.5

(0†–1.1)

 Liver steatosis

1/426

0.2

(0†–0.7)

Neurological disorder

27/426

6.3

(4.0–8.7)

 Ataxia, hypotonia, paraparesis

13/426

3.1

(1.4–4.7)

 Mental retardation with or without autism

5/426

1.2

(0.1–2.2)

 Epilepsy

3/426

0.7

(0†–1.5)

 Neurological disorders, other

6/426

1.4

(0.3–2.5)

Inflammatory and autoinflammatory disease

18/426

4.2

(2.3–6.1)

 Autoinflammatory diseases

17/426

4.0

(2.1–5.9)

 Inflammatory diseases, other

1/426

0.2

(0†–0.7)

Developmental abnormality

13/426

3.1

(1.4–4.7)

 Heart defects

4/426

0.9

(0–1.9)

 Neural tube defects

3/426

0.7

(0†–1.5)

 Developmental abnormality, other

6/426

1.4

(0.3–2.5)

Mitochondrial cytopathy

8/426

1.9

(0.6–3.2)

Pancreatitis

8/426

1.9

(0.6–3.2)

Intestinal absorption disorders

7/426

1.6

(0.4–2.9)

Myopathy

7/426

1.6

(0.4–2.9)

Osteogenesis imperfecta

7/426

1.6

(0.4–2.9)

Lipodystrophy

5/426

1.2

(0.1–2.2)

Primary immunodeficiencies

4/426

0.9

(0–2.2)

Other

8/426

1.9

(0.6–3.2)

 Thrombophilia

2/426

0.5

(0†–1.1)

 Amyloidosis

1/426

0.2

(0†–0.7)

 Cancer

2/426

0.5

(0†–1.1)

 Marfan syndrome

1/426

0.2

(0†–0.7)

 Sudden death

1/426

0.2

(0†–0.7)

 Telomere Diseases

1/426

0.2

(0†–0.7)

  1. n number of observations; N total number of patients; 95% CI 95% confidence interval
  2. *Lysosomal storage disorders other than glycogen storage disease type II
  3. The 95% CI was truncated at the left margin