Table 2.

The average measured values of FVC expressed as a per cent of average of normal values for that group of patients at first and last examination according to the receiving therapy in phases of illness remissions

All patients	Firstexam.	Lastexam.	Difference
Received therapy	_X	60.58	62.90	+2.32
	S.D.	17.51	13.58	16.65
Not received therapy	_X	56.43	51.75	-4.68
	S.D.	14.86	15.90	17.06