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Table 5 Patient characteristics

From: The behavioral phenotype of children and adolescents with attenuated non-ketotic hyperglycinemia, intermediate to good subtype

Study number

16

17

19

23

28

34

44

45

49

70

71

73

Language

English

Dutch

Dutch

Dutch

English

English

English

French (English)

Dutch

English

English

English

Country

Australia

The Netherlands

The Netherlands

Belgium

USA

USA

Canada

France

Belgium

USA

Canada

USA

Age

10y 8m

16y 11m

10y 4m

7y 7m

14y 5m

15y 8m

18y 9m

11y 10m

12y 0m

12y 2m

21y 0m

12y 7m

Age of diagnosis

13 weeks

5m

17m

5y 2m

12m

12m

Prenatal

3m

3 days

10 days

2m

4 days

Biological sex

Female

Male

Female

Male

Male

Female

Male

Female

Male

Female

Female

Male

Epilepsy

No

No

Yes

Yes

Yes

No

No

No

No

Yes

Yes

Yes

Medication (dose of Benzoate and DMP in mg/Kg/day)

benzoate (275) fluoxetine mirtazapine

benzoate (428)

benzoate (285)

benzoate (294) DMP (4.12) folic acid (co-factor)

benzoate (238) DMP (0.6)

benzoate (250)

benzoate (367) DMP (2.5) clonidine lisdexamp guanfacine fluoxetine lansoprazol

benzoate (450) DMP (7.5) pyridoxal-phosphate haloperidol esomeprazol magnesium carnitine

benzoate

benzoate (258) oxcarbazepine

benzoate (388) DMP(5.2) fluoxetine lansoprazol levonorgestrel, ethinyl estradiol

benzoate (303) DMP (8.7)

Glycine (µmol/L)

700

368

428

292

402

526

240

285

275

360

242

458

IQ or DQ

With level of ID

Parent reports “Mild/moderate ID, thinks TIQ around 50”

WPPSI

TIQ = 40

Moderate

Parent does not know

NONE

Test unknown

TIQ = 43

Moderate

Parent does not know

Stanfort-Binet

"Moderate"

NONE

DQ = 60

Mild

NONE

Result unknown to author

NONE

  1. Abbreviations: USA The United States of America, y year, m Month, DMP Dextromethorphan, Lisdexamp Lisdexamphetamine, Approx Approximately, IQ Intelligence quotient, DQ Developmental quotient, ID Intellectual Disability, WPPSI Wechsler Preschool and Primary Scale of Intelligence, TIQ Total IQ-score