Table 3.
Prevalence of comorbidity in patients with chronic obstructive pulmonary disease stratified by degrees of severity
| Comorbidities | I: FEV1 ≥ 80% | II: FEV1 = 50–80 | III: FEV1 = 30–50 | IV: FEV1 < 30 |
|---|---|---|---|---|
| AHT | 9 (69.2%) | 213 (58%) | 164 (50.5%) | 113 (43.6%)† |
| Dyslipidemia | 2 (15.4%) | 177 (48.8%) | 150 (46.9%) | 133 (51.2%) |
| Diabetes | 6 (46.2%) | 138 (38.2%) | 122 (38%) | 111 (42.9%) |
| Obesity | 2 (15.4%) | 135 (36.9%) | 110 (34.2%) | 90 (35.2%) |
| Ischemic heart disease | 1 (7.7%) | 51 (13.8%) | 27 (8.3%) | 42 (16%)‡ |
| Arrhythmia | 0 (0%) | 58 (16.1%) | 61 (19.1%) | 34 (13.2%) |
| Heart failure | 1 (7.7%) | 81 (22%) | 82 (25.5%) | 74 (28.6%) |
| Stroke | 1 (7.7%) | 39 (10.5%) | 33 (10.2%) | 23 (8.9%) |
| Peripheral vascular disease | 1 (7.7%) | 65 (17.8%) | 54 (16.9%) | 37 (14.3%) |
Notes: Results expressed in absolute numbers and percentage; Pearson’s Chi-squared test with Bonferroni correction was used;
†
sex- and age-adjusted difference statistically significant (P = 0.002) with group II;
‡
sex- and age-adjusted difference statistically significant (P < 0.028) with group III.
Abbreviation: AHT, arterial hypertension.