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Internal consistency of Dyspnoea-12 and Multidimensional Dyspnea Profile scores
| Variable | Cronbach’s alpha estimate |
|---|---|
| D12 total | 0.956 |
| D12 physical domain | 0.924 |
| D12 affective domain | 0.936 |
| MDP total | 0.943 |
| MDP immediate perception subdomain | 0.932 |
| MDP emotional response subdomain | 0.939 |
Cronbach’s alpha estimate for 73-years old men in the population (n = 684). D12 Dyspnoea-12, MDP Multidimensional dyspnea profile scores
