Table 9.

F-scores per class from systems based on sequential features (applying the best configurations for each data subset).

Feature	6-way		5-way
		S	U	S	U
Background	81.84	68.46	87.92	74.67
Intervention	20.25	12.68	48.08	21.39
Outcome	92.32	72.94	96.03	80.51
Population	56.25	39.80	63.88	43.15
Study Design	43.95	4.40	47.44	8.60
Other	69.98	24.28	–	–

Best performance per column is given in bold.