Table 1: Distribution of patients according to etiology,

sex and age at diagnosis in patients with chronic alveolar hypoventilation

at the National Pediatric Institute. 2007-2020.

Characteristics

Total

(N = 17)

Centrals

(N = 6)

Peripherals (N = 10)

Mixed

(N = 1)

Deformity

of the

thoracic

cage

and

spine

(N = 6)

Neuromuscular

diseases

(N = 2)

Obesity

(N = 2)

Age (median) years

Interquartile range

Maximum-minimum value

6

11.5

4 meses-

16 años

4.5

9

–

 

13.5

8.2

–

 

3

–

–

 

6.5

–

–

 

6

–

–

 

Sex, n (%)

Female

Male

 

15 (88.24)

2 (11.76)

 

6 (100)

–

 

6 (100)

–

 

2 (100)

–

 

1 (50)

1 (50)

 

–

1 (100)