Table 4.

Spearman’s correlation analysis between MMPs/TIMP1 ratios and emphysema sub-types

	MMP-3/TIMP-1	MMP-7/TIMP-1	MMP-8/TIMP-1	MMP-9/TIMP-1	MMP-10/TIMP-1	MMP-12/TIMP-1
Mild CLE	−0.08	−0.06	−0.05	−0.03	0.01	−0.14
Moderate CLE	0.39*	0.39*	0.44*	0.34	0.43*	0.12
Severe CLE	0.44*	0.36*	0.36*	0.28	0.40*	0.08
Panlobular	0.59***	0.43*	0.36*	0.31	0.55**	0.33
Paraseptal	0.47**	0.50**	0.42*	0.37*	0.47**	0.15
Normal	−0.37*	−0.35	−0.36*	−0.29	−0.44*	−0.04

Spearman’s rho values given

N = 31. *p < 0.05; **p < 0.01; ***p < 0.001