Table 3 Item-total correlation for the 9-item FSS and 7-item FSS
From: Psychometric properties of fatigue severity scale in Chinese systemic lupus erythematosus patients
Item | Total 9-item FSS score | Total 7-item score |
|---|---|---|
Item1 | 0.52 | _ |
Item 2 | 0.59 | _ |
Item 3 | 0.62 | 0.58 |
Item 4 | 0.80 | 0.80 |
Item 5 | 0.80 | 0.82 |
Item 6 | 0.81 | 0.81 |
Item 7 | 0.78 | 0.80 |
Item 8 | 0.79 | 0.80 |
Item 9 | 0.73 | 0.75 |