Table 3 Peak expiratory flow rate (PEFR) scores and its change among the studied children over follow-up after applying Buteyko breathing technique (n = 33)
From: Effect of the Buteyko breathing technique on asthma severity control among school age children
Changes of peak expiratory flow rate (PEFR) (L/min.) | Follow-up per week (n = 33) | |||
|---|---|---|---|---|
1st week | 2nd week | 3rd week | 4th week | |
PEFR (L/min.): | ||||
Range | 90–250 | 110–280 | 100–295 | 120–320 |
Mean ± SD | 157.48 ± 47.71 | 189.85 ± 44.94 | 201.82 ± 47.84 | 225.30 ± 50.53 |
Median | 150.00 | 190.00 | 210.00 | 220 |
F value | 11.513 | |||
P | 0.0001* | |||
Scheffe test P | 1st vs 2nd, 3rd & 4th week, P = 0.061*, 0.004* & 0.0001* | |||
2nd vs 3rd & 4th week, P = 0.793 & 0.032* | ||||
3rd vs 4th week, P = 0.268 | ||||
Change of PEFR at 4th week than 1st week: | ||||
Range | 0–173 | |||
Mean ± SD | 67.82 ± 39.83 | |||
percent of change of PEFR at 4th week than 1st week: | ||||
Range | 0–101.80% | |||
Mean ± SD | 78.46 ± 40.2 | |||