Table 2.
Discriminate analysis for Odor Stick Identification Test for Japanese (OSIT-J) in parkinsonian disorders.
| OSIT-J score (≤ 7 | OSIT-J score (≥ 8) | Sensitivity (95%CI) | Specificity (%) | Positive predictive value | Negative predictive value | |
|---|---|---|---|---|---|---|
| PD/Control | 76/0 | 18/29 | 81 (71-88) | 100 (88-100) | 100 (95-100) | 62 (46-75) |
| Males | 42/0 | 5/9 | 89 (77-96) | 100 (66-100) | 100 (92-100) | 64 (35-87) |
| Females | 34/0 | 13/20 | 72 (57-84) | 100 (83-100) | 100 (90-100) | 61 (42-77) |
| PD/MSA-P | 76/4 | 18/11 | 81 (71-88) | 73 (45-92) | 95 (88-99) | 38 (21-58) |
| PD/PSP | 76/2 | 18/5 | 81 (71-88) | 71 (29-96) | 97 (91-100) | 78 (56-93) |