Background
Methods
Study participants
Data collection
Statistical analyses
Results
All participants | Propensity score matched participants | |||
---|---|---|---|---|
Psoriasis individuals N = 50 | Controls N = 121 | Psoriasis individuals N = 50 | Controls N = 50 | |
Age (yr)
| ||||
Mean (SD) | 44.4 (10.2) | 48.6 (9.4)* | 44.4 (10.2) | 44.1 (8.1) |
Female gender
| 24% | 50%* | 24% | 32% |
Education
| ||||
Lower secondary or less | 16% | 3% | 16% | 4% |
Upper secondary | 58% | 28% | 58% | 54% |
Higher education | 26% | 69%* | 26% | 42% |
Tooth brushing twice a day or more
| 58% | 85%* | 58% | 78% |
Daily interdental cleaning
| 30% | 41% | 30% | 32% |
Regular dental visits
| 58% | 89%* | 58% | 78% |
Last dental visit ≤1 yr ago
| 62% | 82%* | 62% | 72% |
Smoking
| ||||
Never smoked | 22% | 47% | 22% | 52% |
Former smoker | 46% | 40% | 46% | 30% |
Current smoker | 32% | 13%* | 32% | 18%* |
BMI ≥ 25
| 62% | 51% | 62% | 60% |
Immunosuppressive medicaments
| 68% | 2%* | 68% | 2%* |
All participants | Propensity score matched participants | |||
---|---|---|---|---|
Psoriasis individuals N = 50 | Controls N = 121 | Psoriasis individuals N = 50 | Controls N = 50 | |
% of sites with PPD ≥4 mm
| ||||
Mean (SD) | 3.7 (4.1) | 1.9 (3.8)* | 3.7 (4.1) | 2.2 (4.3) |
% of sites with PPD ≥5 mm
| ||||
Mean (SD) | 1.5 (3.3) | 0.6 (1.9)* | 1.5 (3.3) | 0.6 (2.1) |
% of sites with CAL ≥ 2 mm
| ||||
Mean (SD) | 6.6 (9.5) | 6.6 (8.8) | 6.6 (9.5) | 5.9 (6.7) |
Mild periodontitis, %
| 18% | 8% | 18% | 8% |
Moderate or severe periodontitis, %
| 24% | 10%* | 24% | 8%* |
% of sites with bone loss ≥3 mm
| 4.6 (11.0) | 0.9 (3.2)* | 4.6 (11.0) | 0.7 (2.3)* |
Mean (SD) | ||||
One or more sites with bone loss ≥3 mm
| 36% | 13%* | 36% | 10%* |
Number of missing teeth
| ||||
Mean (SD) | 2.4 (3.9) | 1.4 (2.5)* | 2.4 (3.9) | 1.1 (1.7)* |
% of sites with plaque
| ||||
Mean (SD) | 41 (25) | 29 (20)* | 41 (25) | 33 (19) |
% of sites with bleeding on probing
| ||||
Mean (SD) | 37 (18) | 24 (13)* | 37(18) | 26 (15)* |
Model | OR (95% CI) | p | B | SE | Wald | df |
---|---|---|---|---|---|---|
Unadjusted
| 2.8 (1.2; 6.9) | 0.019 | 1.054 | 0.450 | 5.493 | 1 |
Model 1
a
| 3.0 (1.0; 8.5) | 0.043 | 1.089 | 0.538 | 4.0953. | 1 |
Model 2
b
| 2.6 (0.9; 7.7) | 0.079 | 0.963 | 0.548 | 090 | 1 |
Model 3
c
| 2.7 (0.9; 8.0) | 0.069 | 1.002 | 0.552 | 3.296 | 1 |
Model | OR (95% CI) | p | B | SE | Wald | df |
---|---|---|---|---|---|---|
Unadjusted
| 3.7 (1.7; 8.1) | 0.001 | 1.306 | 0.399 | 10.739 | 1 |
Model 1
a
| 4.5 (1.7;11.5) | 0.002 | 1.495 | 0.483 | 9.594 | 1 |
Model 2
b
| 4.0 (1.6; 10.5) | 0.004 | 1.394 | 0.489 | 8.136 | 1 |
Model 3
c
| 4.0 (1.5; 10.4) | 0.005 | 1.378 | 0.492 | 7.847 | 1 |
Model | OR (95% CI) | p | B | SE | Wald | df |
---|---|---|---|---|---|---|
Unadjusted
| 3.6 (1.1; 12.2) | 0.037 | 1.290 | 0.618 | 4.361 | 1 |
Model 1
a
| 3.1 (0.9; 10.8) | 0.071 | 1.143 | 0.632 | 3.271 | 1 |
Model 2
b
| 3.7 (1.0; 13.1) | 0.047 | 1.297 | 0.652 | 3.960 | 1 |
Model | OR (95% CI) | p | B | SE | Wald | df |
---|---|---|---|---|---|---|
Unadjusted
| 5.0 (1.7; 15.1) | 0.004 | 1.622 | 0.556 | 8.512 | 1 |
Model 1
a
| 4.6 (1.5; 13.9) | 0.007 | 1.522 | 0.565 | 7.266 | 1 |
Model 2
b
| 4.5 (1.5; 13.7) | 0.009 | 1.497 | 0.573 | 6.838 | 1 |