Author (year), location

 

Age, y

 

Study design

Sample size N

Prevalence of
Reflux n/N (%)

 

Gorenstein et al
(2003), Israel [8]

Teixeira et al
(2007), Brazil [9]

Present study
Japan

Mean (SD): 1.4 (2.8)

 

Mean: 2.6

 

Mean (SD): 1.1 (0.4)

 

Retrospective

 

Prospective

 

Prospective

 

153

 

69

 

32

 

64/153 (41.8)

 

47/69 (68.1)

 

3/32 (9.4)

Table 3: Pediatric studies that examined GERD in indivisuals with asthma in early childhood.