n %   95% CI
Normal 57 66.3 57-76.7
Restrictive 2 2.3 0-5.8
Obstructive 27 31.4 22.1-40.7
n: frequency
95% CI: confidence interval of 95% (bootstrap; based on 1000 bootstrap samples) Classification according to reference standards of Polgar and Promadhat modified by Pereira, 1992 Confidence interval obtained through simulation with a thousand samples
Table 3: Children’s frequency according to the ventilatory pattern observed spirometry base using FEV0.75.
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