|
Sensitivity, specificity, and percentage of correct classification of individuals with and without cognitive impairment and those with AD and without cognitive impairment for different cut-off scores of the crude MMSE scores obtained by GPs and by UVAs; Rome, Italy, 2005 |
|||||||||||
| Crude MMSE obtained by GPs |
Crude MMSE obtained by UVAs |
||||||||||
|
|
|||||||||||
| MMSE cut-off score |
Sensitivity |
Specificity |
% correctly classified |
PPV |
NPV |
Sensitivity |
Specificity |
% correctly classified |
PPV |
NPV |
|
|
|
|||||||||||
| Classification of individuals with and without cognitive impairment |
16 |
58.8% |
85.7% |
65.9% |
92.0% |
41.1% |
53.7% |
94.1% |
64.4% |
96.2% |
42.3% |
| 17 |
63.1% |
82.1% |
68.1% |
90.7% |
42.9% |
55.8% |
91.7% |
65.3% |
94.9% |
42.8% |
|
| 18 |
66.5% |
77.4% |
69.4% |
89.1% |
44.5% |
60.1% |
91.7% |
68.5% |
95.2% |
45.3% |
|
| 19 |
75.1% |
69.1% |
73.5% |
87.1% |
45.5% |
64.8% |
89.3% |
71.3% |
94.4% |
47.8% |
|
| 20 |
83.7% |
64.3% |
78.6% |
86.7% |
50.0% |
70.8% |
88.1% |
75.4% |
94.3% |
52.1% |
|
| 21 |
88.8% |
53.6% |
79.5% |
84.2% |
58.7% |
75.1% |
85.7% |
77.9% |
93.6% |
55.4% |
|
| 22 |
92.7% |
39.3% |
78.6% |
80.9% |
63.4% |
79.4% |
79.8% |
79.5% |
91.6% |
58.3% |
|
| 23 |
95.7% |
21.4% |
76.0% |
77.2% |
66.0% |
83.3% |
77.4% |
81.7% |
91.1% |
62.5% |
|
| 24 |
98.7% |
4.8% |
73.8% |
74.2% |
64.3% |
87.1% |
72.6% |
83.3% |
89.8% |
67.0% |
|
| 25 |
99.6% |
0.0% |
73.2% |
73.4% |
57.1% |
91.9% |
64.3% |
84.5% |
87.7% |
74.0% |
|
| 26 |
100.0% |
0.0% |
73.5% |
73.5% |
0.0% |
94.9% |
59.5% |
85.5% |
86.7% |
80.7% |
|
|
|
|||||||||||
| Classification of individuals with AD and without cognitive impairment |
16 |
71.6% |
90.5% |
80.5% |
89.5% |
73.8% |
71.6% |
94.1% |
82.1% |
93.2% |
74.5% |
| 17 |
75.8% |
85.7% |
80.5% |
85.7% |
75.8% |
73.7% |
91.7% |
82.1% |
90.9% |
75.5% |
|
| 18 |
81.1% |
82.1% |
81.6% |
83.7% |
79.3% |
75.8% |
91.7% |
83.2% |
91.1% |
77.0% |
|
| 19 |
83.2% |
77.4% |
80.5% |
80.6% |
80.2% |
80.0% |
89.3% |
84.4% |
89.4% |
79.8% |
|
| 20 |
90.5% |
69.1% |
80.5% |
76.8% |
86.6% |
88.4% |
88.1% |
88.3% |
89.4% |
87.1% |
|
| 21 |
96.8% |
64.3% |
81.6% |
75.4% |
94.7% |
91.6% |
85.7% |
88.8% |
87.9% |
90.0% |
|
| 22 |
96.8% |
53.6% |
76.5% |
70.2% |
93.8% |
92.6% |
79.8% |
86.6% |
83.8% |
90.5% |
|
| 23 |
96.8% |
39.3% |
69.8% |
64.3% |
91.7% |
94.7% |
77.4% |
86.6% |
82.6% |
92.9% |
|
| 24 |
97.9% |
21.4% |
62.0% |
58.5% |
90.0% |
94.7% |
72.6% |
84.4% |
79.7% |
92.4% |
|
| 25 |
99.0% |
4.8% |
54.8% |
54.0% |
80.0% |
97.9% |
64.3% |
82.1% |
75.6% |
96.4% |
|
| 26 |
99.0% |
0.0% |
52.5% |
52.8% |
0.0% |
97.9% |
59.5% |
79.9% |
73.2% |
96.2% |
|
|
Note: Individuals whose score was equal to or lower than the reported cut-off value were classified as having cognitive impairment in the first section of the table and as having AD in the second section of the table. | |||||||||||
Pezzotti et al. BMC Family Practice 2008 9:29 doi:10.1186/1471-2296-9-29 |
|||||||||||