From: “Psychometric properties of the Norwegian foot function index revised short form”
Spearman’s correlation coefficient FFI-RSN | P value | Predefined hypothesis | Hypothesis verified | |
---|---|---|---|---|
Rand-12 PCS12 | −0.74a | ≤ 0.001 | −0.4- - 0.6 (mod. Neg. cor.) | no |
Rand-12 MCS12 | −0.58a | ≤ 0.001 | −0.4- - 0.6 (mod. Neg. cor.) | yes |
NRS pain activity | 0.60a | ≤ 0.001 | 0.4–0.6 (mod. Pos. cor.) | yes |