Table 11 Summary table of the 95% CI of mean difference, correlation coefficient, and p value comparing the scores in individual questions and total between FJS-12 and OKS at follow-up using paired T-tests applying bootstrapping with N = 200 and N = 1000
Question and timepoint | Bootstrapping N = 200 | Bootstrapping N = 1000 | Bootstrapping N = 200 | Bootstrapping N = 1000 | Bootstrapping N = 200 | Bootstrapping N = 1000 | |||
|---|---|---|---|---|---|---|---|---|---|
Mean difference | 95% CI of mean difference after bootstrap | 95% CI of mean difference after bootstrap | Correlation coefficient | 95% CI of correlation coefficient after bootstrap | 95% CI of correlation coefficient after bootstrap | P value | P value after bootstrap | P value after bootstrap | |
FJS-12 Q01 Follow-up – OKS Q01 Follow-up | 1.29 | 0.43—2.14 | 0.43—2.14 | -0.78 | -0.87—-0.65 | -0.88—0.64 | 0.01 | 0.02 | 0.01 |
FJS-12 Q02 Follow-up – OKS Q02 Follow-up | 0.18 | -0.55—0.91 | -0.55—0.91 | -0.53 | -0.79—-0.29 | -0.81—-0.26 | 0.62 | 0.68 | 0.62 |
FJS-12 Q03 Follow-up – OKS Q03 Follow-up | 0.32 | -0.48—1.12 | -0.48—1.12 | -0.57 | -0.80—-0.27 | -0.79—-0.25 | 0.42 | 0.44 | 0.42 |
FJS-12 Q04 Follow-up – OKS Q04 Follow-up | -0.29 | -1.03—0.46 | -1.03—0.46 | -0.39 | -0.70—0.03 | -0.67—-0.08 | 0.44 | 0.48 | 0.44 |
FJS-12 Q05 Follow-up – OKS Q05 Follow-up | 0.54 | -0.21—1.28 | -0.21—1.28 | -0.65 | -0.85—-0.37 | -0.84—-0.39 | 0.15 | 0.17 | 0.15 |
FJS-12 Q06 Follow-up – OKS Q06 Follow-up | 1.21 | 0.47—1.96 | 0.47—1.96 | -0.53 | -0.75—-0.28 | -0.73—-0.30 | < 0.01 | 0.01 | < 0.01 |
FJS-12 Q07 Follow-up – OKS Q07 Follow-up | 2.39 | 1.52—3.27 | 1.52—3.27 | -0.50 | -0.81—0.01 | -0.83 – 0.02 | < 0.01 | 0.01 | < 0.01 |
FJS-12 Q08 Follow-up – OKS Q08 Follow-up | 1.46 | 0.79—2.14 | 0.79—2.14 | -0.35 | -0.60—-0.06 | -0.56—-0.05 | < 0.01 | 0.01 | < 0.01 |
FJS-12 Q09 Follow-up – OKS Q09 Follow-up | 1.36 | 0.69—2.03 | 0.69—2.03 | -0.46 | -0.67—-0.27 | -0.63—-0.31 | < 0.01 | 0.01 | < 0.01 |
FJS-12 Q10 Follow-up – OKS Q10 Follow-up | 0.57 | -0.09—1.23 | -0.09—1.23 | -0.47 | -0.69—-0.21 | -0.69—-0.22 | 0.09 | 0.10 | 0.09 |
FJS-12 Q11 Follow-up – OKS Q11 Follow-up | 0.54 | -0.25—1.32 | -0.25—1.32 | -0.67 | -0.82—-0.47 | -0.83—-0.49 | 0.17 | 0.19 | 0.17 |
FJS-12 Q12 Follow-up – OKS Q12 Follow-up | 1.04 | 0.29—1.78 | 0.29—1.78 | -0.27 | -0.58—-0.24 | -0.57—0.07 | 0.01 | 0.01 | 0.01 |
FJS-12 Total Follow-up – OKS Total Follow-up | 7.21 | 1.38—13.04 | 1.38—13.04 | -0.88 | 0.80—0.94 | 0.79—0.95 | 0.02 | 0.03 | 0.02 |