Subclinical pleuro-pulmonary disease in patients with SLE: functional and radiological methods

The Egyptian Journal of Bronchology

Table 6 SLE disease severity in correlation with pulmonary function parameters

PFT		SLEDA	SLEDA score	SLICC damage index
FEV1	r	− 0.54	− 0.46	− 0.44
FEV1	p	0.001	0.001	0.001
FVC	r	− 0.69	− 0.63	− 0.69
FVC	p	0.001	0.001	0.001
FEV1/FVC	r	0.60	0.62	0.64
FEV1/FVC	p	0.001	0.001	0.001
FEF25	r	− 0.85	− 0.62	− 0.84
FEF25	p	0.001	0.001	0.001
FEF50	r	− 0.80	− 0.73	− 0.86
FEF50	p	0.001	0.001	0.001
FEF75	r	− 0.65	− 0.61	− 0.73
FEF75	p	0.001	0.001	0.001

The test of significant: Pearson correlation coefficient, the sign before “r” denoting the direction of relationship, p < 0.05 considered significant