. 2021 Aug 14;21:399. doi: 10.1186/s12903-021-01753-3

Table 4.

Oral hygiene index (OHI) and its components debris index (DI) und calculus index (CI) separated by evaluation group (p < 0.05)

Index	noDem MMSE 28–30 (n = 25)	mCI MMSE 25–27 (n = 29)	mDem MMSE 18–24 (n = 27)	modDem MMSE 10–17 (n = 29)	sDem MMSE < 10 (n = 20)	p
DI Median (Range)	2 (1–5)	2.7 (0.4–4.5)	3.2 (0.5–5.5)	4 (2–6)	4 (2.3–6)	0.001
CI Median (Range)	1.7 (0–3)	2 (0–4.2)	3 (0.25–4.5)	3 (1.3–6)	3.3 (2–6)	0.001
OHI Median (Range)	3.5 (1–7.7)	4.7 (1–8.7)	6.2 (0.75–9.5)	7.2 (3.3–12)	7 (4.8–12)	0.001

Index

noDem
MMSE 28–30
(n = 25)

mCI
MMSE 25–27
(n = 29)

mDem
MMSE 18–24
(n = 27)

modDem
MMSE 10–17
(n = 29)

sDem
MMSE < 10
(n = 20)

Median (Range)

2 (1–5)

2.7 (0.4–4.5)

3.2 (0.5–5.5)

4 (2–6)

4 (2.3–6)

0.001

Median (Range)

1.7 (0–3)

2 (0–4.2)

3 (0.25–4.5)

3 (1.3–6)

3.3 (2–6)

0.001

OHI

Median (Range)

3.5 (1–7.7)

4.7 (1–8.7)

6.2 (0.75–9.5)

7.2 (3.3–12)

7 (4.8–12)

0.001

noDem no dementia, mCI mild cognitive impairment, mDem mild dementia, modDem moderate dementia, sDem severe dementia