Table 4.
Linear Regression Analysis for Prediction of Factors Affecting Quality of Life in All Studied KOA Patients
| Variables | Univariate | Multivariate | ||
|---|---|---|---|---|
| P value | β | P value | β | |
| Age | 0.484744 | 1.2234 | ||
| BMI | 0.239142 | 0.11234 | ||
| Disease duration | 0.232511 | 0.3456 | ||
| Lequesne’s score | 0.049234* | 0.11381 | 3.3787 | −1.2828 |
| VAS | 0.96678 | −2.157 | ||
| PSQI | 0.000272* | −1.289 | 0.0334* | −1.08364 |
| PASS20 | 0.103467 | −0.6000 | ||
| BDI-II | 0.012142* | −0.4292 | 0.8613 | −0.034 |
| FM | 0.00319* | −6.886 | 0.05793 | 1.86320 |
Notes: *p<0.05. β: regression coefficient.
Abbreviations: KOA, knee osteoarthritis; FM, fibromyalgia; BMI, body mass index; VAS, visual analog scale; PSQI, Pittsburgh Sleep Quality Index; PASS20, Pain Anxiety Symptom Scale Short Form 20; BDI-II, Beck Depression Inventory.