subject	elevated	level
1	2.03	2.03
2	1.65	1.73
3	1.00	1.06
4	1.25	1.40
5	1.05	0.95
6	1.02	1.13
7	1.67	1.41
8	1.86	1.73
9	1.56	1.63
10	1.73	1.56