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Mean values of MoCA and MMSE scores for our study groups
| Cognitive test | Nonuser LTOTD-COPD | Regular-user LTOTD-COPD | P-value |
|---|---|---|---|
| MoCA | 19.37±2.99 | 21.68±2.14 | 0.007 |
| MMSE | 23.75±2.63 | 25.89±2.79 | 0.014 |
Notes: Data are presented as means ± SD. P-values were calculated by Mann–Whitney U-tests.
Abbreviations: LTOTD, long-term oxygen therapy-dependent; MoCA, Montreal Cognitive Assessment; MMSE, Mini-Mental State Examination.
