Table 5.

Spearman’s correlation analysis between MMPs/TIMP2 ratios and emphysema sub-types

	MMP-3/TIMP-2	MMP-7/TIMP-2	MMP-8/TIMP-2	MMP-9/TIMP-2	MMP-10/TIMP-2	MMP-12/TIMP-2
Mild CLE	−0.07	−0.09	−0.06	−0.02	0.10	−0.01
Moderate CLE	0.35	0.22	0.42*	0.27	0.37*	−0.05
Severe CLE	0.44*	0.25	0.35	0.23	0.33	−0.10
Panlobular	0.56**	0.32	0.32	0.26	0.46**	0.08
Paraseptal	0.44*	0.34	0.40*	0.31	0.38*	−0.04
Normal	−0.35	−0.18	−0.34	−0.23	−0.40*	0.13

Spearman’s rho values given

N = 31. *p < 0.05; **p < 0.01