Table 3. Dental examinations for missing index teeth, BOPa, and PDb.
| Characteristics | nc (%) | Mean MMSEd scores (95% CIe) | P-Values |
|---|---|---|---|
| Number of missing index teeth | |||
| 0 | 11 (10.8) | 24.2 (20.4–28.0) | (0 vs. 9) 0.045f |
| 1 | 10 (9.8) | 27.4 (25.3–29.5) | (1 vs. 9) 0.004g |
| 2 | 12 (11.8) | 24.1 (18.4–29.8) | (1 vs. 10) 0.008g |
| 3 | 7 (6.9) | 24.6 (18.0–31.1) | (2 vs. 9) 0.044f |
| 4 | 10 (9.8) | 26.3 (22.8–29.8) | (4 vs. 9) 0.011f |
| 5 | 9 (8.8) | 22.8 (14.6–30.9) | (4 vs. 10) 0.021f |
| 6 | 4 (3.9) | 29.0 (26.8–31.3) | (6 vs. 9) 0.010f |
| 7 | 6 (5.9) | 24.3 (17.2–31.5) | (6 vs. 10) 0.021f |
| 8 | 7 (6.9) | 21.7 (16.4–27.1) | |
| 9 | 8 (7.8) | 17.3 (8.2–26.3) | |
| 10 | 18 (17.6) | 19.5 (15.8–23.2) | |
| BOP | |||
| Yes | 224 (47.2) | 24.8 (24.0–25.7) | 0.494h |
| No | 251 (52.8) | 25.3 (24.4–26.1) | |
| PD levels | |||
| 0i | 222 (22.4) | 24.8 (23.9–25.7) | (0 vs. 3) < 0.001m |
| 1j | 235 (23.7) | 25.3 (24.4–26.1) | (1 vs. 3) < 0.001m |
| 2k | 18 (1.8) | 26.1 (23.5–28.8) | (2 vs. 3) 0.014f |
| 3l | 515 (52.0) | 21.6 (20.9–22.3) |
aBleeding on probing
bProbing pocket depth
cThe number of cases
dMini Mental State Examination
eConfidence interval
fP < 0.05; one-way analysis of variance
gP < 0.01; one-way analysis of variance
hIndependent sample t-tests
iPD ≤ 3 mm
j3 < PD < 6 mm
kPD ≥ 6 mm
lPD of missing index teeth
mP < 0.001; One-way analysis of variance.