Table 2.
Number of incident dementia during follow-up period
| Period | NS | ASI | VSI | DSI | Total |
|---|---|---|---|---|---|
| 2012.1.1–2012.12.31 | 552 | 157 | 102 | 17 | 828 |
| 2013.1.1–2013.12.31 | 734 | 179 | 116 | 15 | 1,044 |
| 2014.1.1–2014.12.31 | 780 | 202 | 137 | 21 | 1,140 |
| 2015.1.1–2015.12.31 | 842 | 180 | 133 | 14 | 1,169 |
| 2016.1.1–2016.12.31 | 961 | 215 | 122 | 20 | 1,318 |
| 2017.1.1–2017.12.31 | 970 | 224 | 112 | 11 | 1,317 |
| 2018.1.1–2018.12.31 | 1,101 | 225 | 131 | 16 | 1,473 |
| Summation | 5,940 | 1,382 | 853 | 114 | 8,289 |
NS, normal sensory; ASI, auditory sensory impairment; VSI, visual sensory impairment; DSI, dual sensory impairment