Table 2.

Calculation of data points from Stanford data where SI = Ss′/O′.

O	O′ = O/9	Ss (NEPSYS)	Ss′ = Ss/3.6	SI = Ss′/O′
1	0.11	3.2	0.89	8.09
2	0.22	2.8	0.78	3.55
3	0.33	2.4	0.67	2.03
4	0.44	2.0	0.56	1.27
5	0.56	1.6	0.44	0.79
6	0.67	1.2	0.33	0.49
7	0.78	0.8	0.22	0.28
8	0.89	0.4	0.11	0.12
9	1.00	0.0	0.00	0.00