. 2021 Aug 21;2021:6671870. doi: 10.1155/2021/6671870

Table 5.

Asthma symptoms in Iranian children and adolescent.

Item		Prevalence	P value	I ²	OR	Number of study
Wheezing	Children	17% (13–20)	<.001	98.65%	0.78 (0.64-0.95)	16
	Adolescent	19% (15–23)	<.001	99.58%	0.78 (0.64-0.95)	23
	Boy	19% (15–23)	<.001	98.83%	0.04 (-0.18-0.26)	16
	Girl	18% (15–21)	<.001	98.61%	0.04 (-0.18-0.26)	18

Dry cough	Children	11% (9–14)	<.001	98.47%	0.61 (0.46-0.80)	15
	Adolescent	17% (15–20)	<.001	98.85%	0.61 (0.46-0.80)	21
	Boy	18% (15–21)	<.001	98.03%	0.17 (-0.01-0.35)	14
	Girl	15% (12–17)	<.001	98.41%	0.17 (-0.01-0.35)	14

Exercise wheezing	Children	7% (5–9)	<.001	99.03%	0.33 (0.26-0.41)	13
	Adolescent	16% (13–19)	<.001	98.94%	0.33 (0.26-0.41)	18
	Boy	17% (12–22)	<.001	98.73%	4.31 (3.79-4.82)	13
	Girl	12% (9–14)	<.001	99.55%	4.31 (3.79-4.82)	13

Wheezing attack	Children	13% (9–17)	<.001	98.43%	0.82 (0.78-0.86)	5
	Adolescent	14% (9–18)	<.001	99.25%	0.82 (0.78-0.86)	7
	Boy	15% (7–22)	<.001	98.87%	0.15 (0.06-0.24)	4
	Girl	14% (7–21)	<.001	98.85%	0.15 (0.06-0.24)	4

Sleep disturbance	Children	6% (4–7)	<.001	96.28%	1.03 (0.93-1.14)	11
	Adolescent	6% (4–7)	<.001	98.02%	1.03 (0.93-1.14)	14
	Boy	8% (6–11)	<.001	98.02%	0.06 (-0.05-0.18)	7
	Girl	7% (5–9)	<.001	98.48%	0.06 (-0.05-0.18)	7