Table 6.
Correlation analysis (Spearman) between the SRI and CRQ score
| Scale | CRQ-Dyspnea | CRQ-Fatigue | CRQ-Emotion | CRQ-Mastery | CRQ-Summary |
|---|---|---|---|---|---|
| SRI-RC | 0.37 | 0.50 | 0.54 | 0.54 | 0.62 |
| SRI-PF | 0.40 | 0.56 | 0.55 | 0.53 | 0.66 |
| SRI-AS | – | 0.42 | 0.42 | 0.47 | 0.43 |
| SRI-SR | – | 0.44 | 0.56 | 0.51 | 0.53 |
| SRI-AX | 0.26 | 0.39 | 0.49 | 0.53 | 0.51 |
| SRI-WB | 0.17 | 0.58 | 0.78 | 0.66 | 0.72 |
| SRI-SF | 0.24 | 0.51 | 0.54 | 0.49 | 0.58 |
| SRI-SS | 0.32 | 0.64 | 0.73 | 0.70 | 0.77 |
Notes: “–” indicates no correlation between SRI-AS and SRI-SR. Only significant correlations (p<0.05) are shown in the table.
Abbreviations: SRI, Severe Respiratory Insufficiency Questionnaire; CRQ, Chronic Respiratory Disease Questionnaire; RC, respiratory complaints; PF, physical functioning; AS, attendant symptoms and sleep; SR, social relationships; AX, anxiety; WB, psychological well-being; SF, social functioning; SS, summary scale.