Table 2 Summary of item-scale correlations of the Chilean SRI using Spearman’s correlation coefficient
From: Validation of the severe respiratory insufficiency questionnaire for Chile
Chilean SRI dimensions | Number of items | Correlation range of the items with their theoretical scale | Correlation range of the items with other scales |
|---|---|---|---|
Respiratory complaints (RC) | 8 | 0.59–0.84* | 0.20–0.57 |
Physical functioning (PF) | 6 | 0.50–0.79* | 0.02–0.68 |
Attendant symptoms and sleep (AS) | 7 | 0.45–0.69* | 0.04–0.58 |
Social relationships (SR) | 6 | 0.52–0.74* | 0.09–0.63 |
Anxiety (AX) | 5 | 0.61–0.75* | 0.11–0.55 |
Psychosocial well-being (WB) | 9 | 0.49–0.74* | 0.16–0.56 |
Social functioning (SF) | 8 | 0.46–0.74* | 0.19–0.64 |