Table 4: Shows the comparative values of spirometry of overweight schoolchildren before and after the aquatic activities program of the apnea game "otsongui" in the form of mean plus or minus standard deviation.

Spirometric variables

Before ( n = 30)

After ( n = 30)

 p

FEV1 (%)

75.90 ± 13.42

89.90 ± 3.42

< 0.05

FEF 25

1.40 ± 0.93

1.46 ± 0.93

NS

FEF 75

1.22 ± 0.39

0.71 ± 0.39

< 0.05

FEF 25-75

1.05 ± 0.57

1.15 ± 0.57

NS

FEV1: percentage of forced expiratory volume in one second; FEF 25: Forced airflow in 25 thirds; FEF75: Forced airflow in 75 thirds; FEF 25-75: Forced airflow between 25 and 75 thirds; NS: non-significant difference; p < 0.05*: significant difference