Table 2

Morning and evening PIFTBH and PEF values (l/min) in 115 children with asthma by age group

First 45 daysLast 45 days
Age groupnParameterMean±SD (range)Mean±SD (range)
5–6 years54PEF morning162±30 (85–233)175±43 (83–302)
PIFTBH morning53±7 (39–73)63±12 (41–94)
PEF evening168±29 (91–239)180±42 (91–300)
PIFTBH evening56±9 (39–87)63±11 (40–94)
7–8 years42PEF morning206±41 (120–317)222±49 (115–360)
PIFTBH morning64±17 (34–116)73±31 (32–212)
PEF evening211±39 (126–312)226±44 (114–361)
PIFTBH evening64±14 (33–109)72±20 (31–141)
9–10 years19PEF morning241±33 (180–309)259±40 (197–365)
PIFTBH morning63±7 (51–80)69±18 (48–127)
PEF evening243±37 (185–323)253±51 (115–352)
PIFTBH evening63±8 (52–77)68±11 (50–95)
  • PEF, peak expiratory flow; PIFTBH, peak inspiratory flow values through the Turbuhaler.