Table 4.
Analysis of the evolution between 3 and 12 months of the domains of the SF-36 questionnaire.
| SF-36 Domains | t | p | CI95% | d |
|---|---|---|---|---|
| PF | −0.594 | 0.554 | −9.99 to 5.38 | −0.005 |
| RP | 0.717 | 0.474 | −2.82 to 6.02 | 0.05 |
| BP | −1.87 | 0.064 | −9.89 to 0.28 | −0.16 |
| GH | −1.368 | 0.174 | −15.66 to 2.86 | 0.13 |
| VT | −0.648 | 0.518 | −5.36 to 2.70 | −0.06 |
| SF | 2.495 | 0.014 | 0.89 to 7.78 | 0.17 |
| RE | 2.595 | 0.011 | 1.68 to 12.49 | 0.25 |
| MH | 3.215 | 0.002 | 2.16 to 9.07 | 0.26 |
| PCS | 2.981 | 0.003 | 0.088 to 0.448 | 0.269 |
| MCS | −1.606 | 0.111 | −0.322 to 0.033 | −0.145 |
PF: Physical functioning. RP: Physical role. BP: Bodily pain. GH: General health. VT: Vitality. SF: Social functioning. RE: Emotional role. MH: Mental health. PCS: Physical component summary score. MCS: Mental component summary score. t: t-Student. p: Degree of significance of the t-Student. CI95%: Confidence interval at 95% for the mean difference between the values of the domains at 3 and 12 months. d: Cohen’s d. Effect size: Qualified as small when d = 0.2–0.3; medium when d = 0.5–0.8, and large when d > 0.8.