Eight serial measurements are presented from a white Caucasian male below the 2nd centile for height [28] who was tested between his 12th and 18th birthday.

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Presentation transcript:

Eight serial measurements are presented from a white Caucasian male below the 2nd centile for height [28] who was tested between his 12th and 18th birthday. Eight serial measurements are presented from a white Caucasian male below the 2nd centile for height [28] who was tested between his 12th and 18th birthday. There is increasing discrepancy over time between the GLI (black line) and Rosenthal equations (blue line) [26]. The difference between the two equations is as large as 25% at 17 years. At 18 years, the software automatically switches from Rosenthal to the ECSC equations and the % predicted value plummets from 114% to 83%. By contrast when the GLI equations are used, the patient's results tracked seamlessly across the pubertal period. Sanja Stanojevic et al. Breathe 2013;9:462-474 ©2013 by European Respiratory Society