Figure 1: (a-c) Correlation between SpO₂ and %predicted PEFR (a) Correlation of pulse oximetry and % predicted PEFR for all study participants (b) Correlation of pulse oximetry and % predicted PEFR among children with mild symptoms of asthma exacerbation (c) Correlation of pulse oximetry (SpO2) and % predicted PEFR among children with stable asthma