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Table 3 Clinical description and type of G6PD variants found in the patients belonging to Group I (hospitalization during neonatal period)

From: Genetic spectrum and clinical early natural history of glucose-6-phosphate dehydrogenase deficiency in Mexican children detected through newborn screening

ID

G6PD variant

Legacy name

WHO class

Luzzato 2016 classification

G6PD activity U/g Hb

G6PD activity %

NNJ

Hospitalization

Clinical data (HPO ID)a

Age (days)

Cause

Cause related to G6PDd

Length (days)

30

Mediterranean

II

I

0.10

1.12

Yes

Seizures (HP: 0001250)

7

Treatment of seizures

No

7

71

G6PD A−376G/968C (heterozygous female)

III

I

0.35

3.93

No

Neonatal asphyxia (HP: 0012768)

Neonatal hypoglycemia (HP: 0001998)

< 1

Clinical surveillance

Unclear

3

14

G6PD A−376G/968C

III

II + III

1.20

13.48

Yes

NNJ (HP: 0000952)

< 1

Phototherapy

Yes

15

11b

G6PD A−376G/968C

III

II + III

1.50

16.85

Yes

NNJ (HP: 0000952)

7

Phototherapy

Yes

3

       

AHA (HP: 0001878)

37

Anemia diagnostic approach requiring blood transfusion

Yes

4

2

G6PD A−202A/376G

III

II + III

1.55

17.42

No

Cough (HP: 0012735)

Rhinitis (HP: 0012384)

Fever (HP: 0001945)

Neutropenia (HP: 0001875)

Lethagy (HP: 0001254)

AHA (HP: 0001878)

Melanocitic nevus (HP: 0000995)

60

Upper respiratory tract infection, anemia diagnostic approach and transfusion

Yes

1

39

G6PD A−376G/968C

III

II + III

2.00

22.47

Yes

NNJ (HP: 0000952)

4

Phototherapy

Yes

1

15

G6PD A−202A/376G

III

Does not meet criteriac

3.00

33.71

No

Fever (HP: 0001945)

42

Diagnostic approach of sepsis

Unclear

3

57

G6PD A−202A/376G

III

II–III

3.00

33.71

Yes

NNJ (HP: 0000952)

Tachypnea (HP: 0002789)

Neonatal sepsis (HP: 0040187)

< 1

Sepsis diagnostic approach and NNJ treatment

Yes

15

19

G6PD A−202A/376G

III

Does not meet criteria

4.60

51.69

Yes

Transient apnea (HP: 0002104)

Neonatal sepsis (HP: 00401879)

< 1

Diagnostic approach and sepsis treatment

Unclear

7

  1. aHPO ID = The Human Phenotype Ontology (HPO, https://hpo.jax.org/app/) uses the latest Orphanet data and a different algorithm for ranking the differential diagnoses [23]
  2. bPatient with 2 hospitalizations
  3. cDoes not meet criteria means that the observed residual activity is higher than that established by Luzzatto et al. [6]