Table 1. Results from generalized linear models (GLM) relating the proportions of different phyla detected in the 454-pyrosequencing and LH-PCR datasets.

Phyla	df	Slope	R2	F	p
Actinobacteria	21	1.24	0.78	77.06	<0.001
Alphaproteobacteria	21	1.16	0.69	48.98	<0.001
Betaproteobacteria	21	0.96	0.65	42.52	<0.001

Slopes, R² indicating the regression coefficient, F statistics and the significance level p are shown.