Table 4.
Cumulative COPD-Related Health-Care Utilization and Medical Expenses (USD) in All Patients
| No MetS | MetS | P value | |
|---|---|---|---|
| Hospitalization | |||
| Number per person-year | 1.2±5.1 | 1.7±6.6 | 0.04 |
| Cost per person-year | 231.1±1232.7 | 293.29±1157.9 | 0.26 |
| Outpatient clinic visits | |||
| Number per person-year | 2.8±3.9 | 2.96±3.6 | 0.40 |
| Cost per person-year | 46.2±119.2 | 44.19±69.6 | 0.61 |
| Use of pharmacy | |||
| Number per person-year | 2.7±3.7 | 2.87±3.5 | 0.46 |
| Cost per person-year | 18.4±38.1 | 22.67±40.6 | 0.02 |
Note: Data are expressed as mean±standard deviation.
Abbreviations: COPD, chronic obstructive pulmonary disease; USD, US dollars; MetS, metabolic syndrome.