TABLE 6.

Freeze-thaw stability of endogenous LPA in fresh vs. old human BALF

	% Accuracy from Baseline Measurement mean±SD
LPA	Freeze-Thaw-1		Freeze-Thaw-2		Freeze-Thaw-3
	Old BALF	Fresh BALF	Old BALF	Fresh BALF	Old BALF	Fresh BALF
C16:0-LPA	117 ± 8.0	102 ± 19.9	105 ± 6.2	86.1 ± 4.4	91.0 ± 11.1	118 ± 44.2
C18:0-LPA	97.0 ± 9.3	53.7 ± 9.2	98.0 ± 7.9	50.9 ± 2.5	88.4 ± 6.8	64.2 ± 13.4
C18:1-LPA	109 ± 10.3	81.3 ± 5.9	111 ± 11.7	73.2 ± 2.6	99.8 ± 11.7	68.5 ± 2.6