Table 3. C5a and C3a correlations with sputum concentration of Neutrophil Elastase (NE), myeloperoxidase (MPO) and DNA.

	C5a sputum concentration			C3a sputum concentration
	β	95% CI	P	β	95% CI	P
NE	1.093	1.051, 1.136	<0.001	0.998	0.984, 0.991	<0.001
MPO	1.030	1.009, 1.052	0.006	0.996	0.993, 0.998	0.002
DNA	1.036	1.020, 1.053	<0.001	0.990	0.987, 0.993	<0.001

β = coefficient beta