Table 3. Correlation between metabolites and lung function parameters in mice.

Lung function parameters	Values	Arginine	Leucine	Phenylalanine	α-Linolenic acid	Palmitic acid	Linoleic acid	Adipoylcarnitine	Malonylcarnitine
FEV25/FVC	r	−0.582*	−0.284	−0.476	0.775**	0.648*	0.767**	−0.378	−0.566
	P	0.047	0.371	0.118	0.003	0.023	0.004	0.225	0.055
FEV50/FVC	r	−0.576	−0.274	−0.431	0.693*	0.582*	0.734**	−0.404	−0.561
	P	0.050	0.389	0.161	0.012	0.047	0.007	0.193	0.058
FRC	r	0.375	0.213	0.646*	−0.375	−0.227	−0.172	−0.168	0.399
	P	0.230	0.506	0.023	0.230	0.478	0.592	0.601	0.198
IC	r	0.838**	0.575	0.714**	−0.788**	−0.630*	−0.832**	0.545	0.765*
	P	0.001	0.051	0.009	0.002	0.028	0.001	0.067	0.004
TLC	r	0.796**	0.529	0.807**	−0.758**	−0.577*	−0.712**	0.356	0.749**
	P	0.002	0.077	0.002	0.004	0.049	0.009	0.256	0.005
Cchord	r	0.799**	0.489	0.590*	−0.780**	−0.681*	−0.826**	0.555	0.722**
	P	0.002	0.106	0.043	0.003	0.015	0.001	0.061	0.008

*, P<0.05; **, P<0.01. FEV₂₅/FVC and FEV₅₀/FVC, percentage of forced expiratory volume in first 25 and 50 ms of fast expiration of forced vital capacity; FRC, functional residual capacity; IC, individual and mean values of inspiratory capacity; TLC, total lung capacity; Cchord, chord compliance.