Table 5 Sensitivity and specificity of each individual item of the proposed PTA scale
From: Development and external validation of a new PTA assessment scale
Item |  1   st   administration  |  one hour after 1   st   administration  |  24 hours after 1   st   administration  | |||
|---|---|---|---|---|---|---|
|  | Sens. (n = 132) | Spec. (n = 30) | Sens. (n = 21) | Spec. (n = 22) | Sens. (n = 46) | Spec. (n = 19) |
1. Age | 5 | 100 | 0 | 100 | 2 | 100 |
2. Name of place | 14 | 100 | 5 | 100 | 7 | 100 |
3. Mode of transport | 25 | 100 | 29 | 100 | 15 | 100 |
4. Time | 24 | 86 | 29 | 100 | 22 | 89 |
5. Day | 13 | 100 | 5 | 100 | 17 | 100 |
6. Month | 6 | 100 | 5 | 100 | 7 | 100 |
7. 3-words, recall | 58 | 77 | 60 | 91 | 77 | 95 |
3-words, recognition | 27 | 97 | 25 | 96 | 42 | 100 |