Table 4.

For evaluation of the text simplification task, we compared ROUGE-1, ROUGE-2, ROUGE-L, and Flesch-Kincaid Grade Level score.

	eLife					PLOS					MedLane
	R-1a	R-2b	R-Lc	FKGLd	R-1		R-2	R-L	FKGL	R-1		R-2	R-L	FKGL
Ground Truth	—e	—	—	12	—		—	—	15	—		—	—	13
BigBirdPegasus	14.00	3.42	9.16	13f	18.92		4.79	12.54	17	74.96		65.37	74.56	13f
BART	16.16f	4.31f	10.19f	14	21.09		7.20	14.17	16f	83.25f		74.50f	82.99f	13f
BioBART	14.31	3.70	9.36	17	23.80f		7.83f	15.65f	17	82.89		74.26	82.65	13f

^aR-1: ROUGE-1.

^bR-2: ROUGE-2.

^cR-L: ROUGE-L.

^dFKGL: Flesch-Kincaid Grade Level.

^eNot applicable.

^fThe superior score within the same data set.