Table 3.

Crosswalk for Probability of Cognitive Impairment (PCI) Scores Corresponding to the Sum Score of Web-Administered Immediate Recall, Delayed Recall, and Serial 7s

Sum score	Expected PCI score
0	0.96
1	0.86
2	0.75
3	0.64
4	0.52
5	0.41
6	0.33
7	0.27
8	0.22
9	0.18
10	0.13
11	0.09
12	0.06
13	0.04
14	0.02
15	0.01
16	0.005
17	0.004
18	0.003
19	0.002
20	0.001
21	0.001
22	0
23	0
24	0
25	0