Table 1

Lung function tests

	April 2009		June 2011		November 2012
Date	164		172		174
Height (cm)	Recorded	% Predicted	Recorded	% Predicted	Recorded	% Predicted
FEV₁ (L)	2.79	86	3.46	90	3.22	81
FVC (L)	3.28	87	3.71	80	3.39	71
FEV₁/FVC ratio (%)	85	100	93	113	95	115
KCO (Hb) (DLCO/L)	1.38	82	1.22	58	1.36	65
Residual volume (L)	1.64	159	(unrecorded)		2.5	171
Total lung capacity (L)	4.83	100	(unrecorded)		5.79	85

DLCO, diffusing capacity of the lung for carbon monoxide; KCO, carbon monoxide transfer coefficient; HB, haemoglobin.