Table 5.
Likelihood to be diagnosed or misdiagnosed by sign
| Sign | Diagnosis | LDM = NNM/NND | LDM = NNM/NNP |
|---|---|---|---|
| Attended alone | No cognitive impairment | 0.97 | 1.02 |
| Attended alone | No dementia | 1.25 | 1.37 |
| Attended with | Any cognitive impairment | 1.02 | 0.97 |
| Head turning | Any cognitive impairment | 2.50 | 2.33 |
| Applause | Any cognitive impairment | 0.72 | 1.00 |
| Applause | Dementia | 1.86 | 1.66 |
| La maladie du petit papier | No cognitive impairment | 0.09 | 0.51 |
LDM, likelihood to be misdiagnosed; NNM, number needed to misdiagnose; NND, number needed to diagnose; NNP, number needed to predict.