Table 3.
Nonparametric (Spearman’s rho) Correlations between variables
|
Correlation Coefficient |
AQoL-Total score | FAAM- ADL | AOS-Disability | AOS-Pain | FAAM-Sport | CAIT | Group | BMI | Ankle stiffness | Age |
|---|---|---|---|---|---|---|---|---|---|---|
| FAAM- ADL |
0.795 (p < 0.001, n = 380) |
|||||||||
| AOS-Disability |
−0.793** (p < 0.001,n = 375) |
− 0.942** (p < 0.001,n = 371 |
||||||||
| AOS-Pain |
−0.756** (p < 0.001,n = 366) |
−0.899** (p < 0.001,n = 364) |
0.923** (p < 0.001,n = 369) |
|||||||
| FAAM-Sport |
0.738** (p < 0.001, n = 378) |
0.926** (p < 0.001,n = 378) |
−0.905** (p < 0.001,n = 372) |
− 0.828** (p < 0.001,n = 365) |
||||||
| CAIT |
0.714** (p < 0.001, n = 356) |
0.865** (p < 0.001,n = 346) |
−0.842** (p < 0.001, n = 341) |
−0.810** (p < 0.001, n = 332) |
0.855** (p < 0.001, n = 344) |
|||||
| Group |
−0.409** (p < 0.001, n = 391) |
−0.551** (p < 0.001, n = 383) |
0.539** (p < 0.001, n = 378) |
0.552** (p < 0.001, n = 369 |
−0.548** (p < 0.001, n = 381) |
− 0.689** (p < 0.001,n = 357) |
||||
| BMI |
−0.464** (p < 0.001, n = 387) |
−0.507** (p < 0.001,n = 379) |
0.514** (p < 0.001, n = 374) |
0.459** (p < 0.001, n = 365) |
−0.476** (p < 0.001,n = 377) |
− 0.506** (p < 0.001, n = 353) |
0.368** (p < 0.001,n = 390) |
|||
| Ankle stiffness |
−0.404** (p < 0.001, n = 266) |
−0.489** (p < 0.001,n = 269) |
0.497** (p < 0.001, n = 269) |
0.498** (p < 0.001, n = 269) |
−0.405** (p < 0.001,n = 269) |
−0.267** (p < 0.001, n = 232) |
− 0.233** (p < 0.001,n = 269) |
0.136* (p = 0.03,n = 265) |
||
| Age |
−0.10 (p = 0.05, n = 391) |
−0.144** (p = 0.01,n = 383) |
0.108* (p = 0.04,n = 378) |
0.10 (p = 0.07,n = 369) |
−0.09 (p = 0.07,n = 381) |
−0.03 (p = 0.63,n = 357) |
− 0.145** (p < 0.001,n = 394) |
0.06 (p = 0.22,n = 390) |
0.123* (p = 0.04,n = 269) |
|
| Sex |
0.06 (p = 0.26,n = 391) |
0.137** (p = 0.01, n = 383) |
−0.09 (p = 0.07,n = 378) |
0.133* (p = 0.01,n = 369) |
0.129* (p = 0.01,n = 381) |
0.114* (p = 0.03, n = 357) |
−0.197** (p < 0.001,n = 394) |
−0.10 (p = 0.06,n = 390 |
− 0.04 (p = 0.57,n = 269) |
0.125* (p = 0.01,n = 394) |
** Correlation is significant at the 0.01 level (2-tailed)
* Correlation is significant at the 0.05 level (2-tailed)
Abbreviations: p value/significance level; AOS Ankle osteoarthritis scale; FAAM Foot and Ankle Ability Measure; AQoL-6D The Assessment of Quality of Life; BMI Body mass index; CAIT The Cumberland Ankle Instability Tool