Comparison of spirometric results obtained from the sitting and standing position in children participating in an epidemiological study

It is recommended that spirometric testing in children be completed while sitting. Our experience indicates that children prefer standing during spirometry.We sought to compare spirometric results obtained from the sitting (SIP) and standing (STP) positions.Two testing sessions were performed in random order (SIP vs. STP: 30-45 min apart) in 118 children (7-13 years), attending one, randomly selected, primary school (response rate:...