Table 5 .

T-score lookup table for SCI-QOL psychological trauma 8-Item Short Form (SF8a)

Raw score	Scaled score	Standard error
8	38.4	6.2
9	43.9	4.8
10	46.1	4.6
11	48.5	4.2
12	50.2	4.1
13	51.9	3.7
14	53.3	3.6
15	54.6	3.4
16	55.9	3.4
17	57	3.3
18	58.2	3.3
19	59.2	3.3
20	60.3	3.3
21	61.4	3.3
22	62.4	3.3
23	63.4	3.3
24	64.4	3.3
25	65.5	3.3
26	66.5	3.3
27	67.5	3.3
28	68.6	3.3
29	69.6	3.3
30	70.7	3.3
31	71.8	3.3
32	72.9	3.4
33	74.1	3.4
34	75.3	3.5
35	76.5	3.5
36	77.9	3.6
37	79.3	3.7
38	80.9	3.9
39	82.7	3.9
40	85.2	4.1