TABLE 1.
Characteristics of cohort studied by the % predicted FEV1 thirds (n = 507).
| % predicted FEV1 thirds | <85.5% (n = 169) | 85.5%–100.5% (n = 169) | >100.5% (n = 169) | p |
|---|---|---|---|---|
| Age, years, mean (SD) | 63.7 (3.1) | 63.5 (3.1) | 63.5 (3.0) | .75 |
| Smoking, n (%) | ||||
| Never | 52 (30.8%) | 70 (41.4%) | 82 (48.5%) | <.01 |
| Former | 74 (43.8%) | 82 (48.5%) | 66 (39.1%) | |
| Current | 43 (25.4%) | 17 (10.1%) | 21 (12.4%) | |
| Total waist circumference (cm), mean (SD) | 97.3 (10.9) | 96.9 (8.8) | 92.4 (8.7) | <.01 |
| Diabetes, n (%) | 10 (5.9%) | 15 (8.9%) | 9 (5.3%) | .38 |
| Hypertension, n (%) | 62 (36.7%) | 58 (34.3%) | 44 (26.0%) | .09 |
| ACVD, n (%) | 28 (16.6%) | 21 (12.4%) | 12 (7.1%) | .03 |
| Education, years, mean (SD) | 11.2 (2.6) | 11.9 (3.4) | 12.6 (3.4) | <.01 |
| Material conditions, n (%) | ||||
| Low | 59 (34.9%) | 53 (31.5%) | 41 (24.3%) | .16 |
| Medium | 44 (26.0%) | 36 (21.4%) | 47 (27.8%) | |
| High | 66 (39.1%) | 79 (47.0%) | 81 (47.9%) | |
| Toothbrushing frequency, n (%) | ||||
| < 2 times /day | 11 (6.5%) | 6 (3.6%) | 6 (3.6%) | .32 |
| Number of teeth, mean (SD) | 18.1 (6.3) | 19.4 (5.8) | 20.7 (5.3) | <.01 |
| Moderate/severe periodontitis, n (%) | 82 (48.5%) | 59 (34.9%) | 62 (36.7%) | .02 |
| PPD, geometric mean (IQR) | 2.2 (1.9–2.6) | 2.1 (1.8–2.4) | 2.1 (1.8–2.4) | 0.09 |
| CAL, geometric mean (IQR) | 2.4 (1.7–3.2) | 2.1 (1.5–2.9) | 1.9 (1.4–2.4) | <0.01 |
Note: Bold values signify statistical significance p < 0.05.
Abbreviations: ACVD, atherosclerotic cardiovascular disease; CAL, clinical attachment loss; IQR, interquartile range; n, number; PPD, probing pocket depth; SD, standard deviation.