Table 4.
Prevalence of periodontal disease among COPD subjects and age- and sex-matched non-COPD controls according to health care resources use and oral health care resources use
| Variable | Category | COPD, N (%) | No COPD, N (%) | P-value |
|---|---|---|---|---|
| General practitioner visit | ,4 weeks | 442 (28.3) | 291 (23.6) | 0.003 |
| 4 weeks–12 months | 231 (23.69) | 245 (21.7) | 0.669 | |
| .12 months | 42 (26.6) | 64 (19.5) | 0.118 | |
| Hospital visit in the last 12 months | No | 567 (25.7) | 533 (22.1) | <0.001 |
| Yes | 148 (29.8) | 67 (23.2) | 0.655 | |
| Emergency room visit in the last 12 monthsa | No | 370 (24.0) | 426 (21.8) | 0.001 |
| Yes | 345 (29.9) | 174 (23.4) | 0.385 | |
| Last visit to the dentist | ,3 months | 142 (30.4) | 88 (20.7) | 0.001 |
| 3–12 months | 146 (26.4) | 143 (25.3) | 0.651 | |
| 12 months or over | 408 (25.2) | 358 (21.6) | 0.018 | |
| Never | 19 (32.8) | 11 (20.4) | 0.142 | |
| Dental insurance typea,b | Public health insurance | 140 (42.0) | 87 (34.5) | 0.147 |
| Private insurance | 244 (25.7) | 220 (22.9) | 0.004 | |
| Fully private practice | 308 (22.9) | 280 (19.7) | 0.063 | |
| Reason for last visit “check-up” | No | 411 (25.8) | 342 (22.5) | 0.039 |
| Yes | 285 (27.1) | 247 (21.9) | <0.001 | |
| Reason for last visit “dental cleaning” | No | 504 (26.7) | 387 (21.2) | 0.222 |
| Yes | 192 (25.6) | 202 (24.7) | <0.001 | |
| Reason for last visit “filling” | No | 556 (26.4) | 470 (22.3) | <0.001 |
| Yes | 140 (26.3) | 119 (22.2) | 0.457 | |
| Reason for last visit “extractions”a,b | No | 474 (24.1) | 416 (20.6) | <0.001 |
| Yes | 222 (32.8) | 173 (27.9) | 0.227 | |
| Reason for last visit “prosthesis treatment”a,b | No | 551 (28.6) | 462 (23.7) | <0.001 |
| Yes | 145 (20.2) | 127 (18.3) | 0.379 |
Notes: P-value: significant differences (P<0.05) between COPD sufferers and non-COPD sufferers for periodontal disease. Comparisons conducted using conditional logistic regression.
a
Significant association (P<0.05) between the variable and periodontal disease among COPD sufferers. Comparisons conducted using Fisher’s exact test.
b
Significant association (P<0.05) between the variable and periodontal disease among non-COPD sufferers. Comparisons conducted using Fisher’s exact test.
Abbreviation: COPD, chronic obstructive pulmonary disease.