Question and timepoint | Mean or Standard deviation | Bootstrapping N = 200 | Bootstrapping N = 1000 | ||||||
---|---|---|---|---|---|---|---|---|---|
This study | Bias | Standard error | 95% CI | This study | Bias | Standard error | 95% CI | ||
OKS Q01 Baseline | Mean | 2.22 | 0.03 | 0.23 | 1.81—2.67 | 2.22 | 0.00 | 0.23 | 1.81—2.63 |
Standard deviation | 1.22 | -0.02 | 0.12 | 0.99—1.37 | 1.22 | -0.02 | 0.14 | 0.94—1.42 | |
OKS Q01 Follow-up | Mean | 2.19 | 0.03 | 0.23 | 1.81—2.63 | 2.19 | 0.00 | 0.23 | 1.81—2.56 |
Standard deviation | 1.21 | -0.02 | 0.11 | 1.04—1.35 | 1.21 | -0.02 | 0.13 | 1.00—1.36 | |
OKS Q02 Baseline | Mean | 3.07 | 0.01 | 0.17 | 2.78—3.38 | 3.07 | -0.01 | 0.16 | 2.81—3.33 |
Standard deviation | 0.83 | -0.03 | 0.11 | 0.68—0.94 | 0.83 | -0.02 | 0.11 | 0.65—0.96 | |
OKS Q02 Follow-up | Mean | 3.00 | 0.00 | 0.18 | 2.70—3.30 | 3.00 | 0.00 | 0.18 | 2.67—3.26 |
Standard deviation | 0.92 | -0.02 | 0.17 | 0.62—1.18 | 0.92 | -0.04 | 0.18 | 0.63—1.14 | |
OKS Q03 Baseline | Mean | 2.78 | 0.01 | 0.18 | 2.46—3.10 | 2.78 | 0.00 | 0.17 | 2.52—3.07 |
Standard deviation | 0.89 | -0.02 | 0.09 | 0.75—1.00 | 0.89 | -0.02 | 0.10 | 0.71—1.01 | |
OKS Q03 Follow-up | Mean | 2.74 | 0.01 | 0.20 | 2.40—3.12 | 2.74 | -0.01 | 0.18 | 2.44—3.04 |
Standard deviation | 0.94 | -0.02 | 0.10 | 0.79—1.07 | 0.94 | -0.02 | 0.09 | 0.80—1.05 | |
OKS Q04 Baseline | Mean | 3.33 | 0.02 | 0.18 | 2.96—3.72 | 3.33 | 0.00 | 0.18 | 3.04—3.59 |
Standard deviation | 0.92 | -0.05 | 0.12 | 0.70—1.01 | 0.92 | -0.02 | 0.12 | 0.69—1.10 | |
OKS Q04 Follow-up | Mean | 3.26 | 0.02 | 0.14 | 3.00—3.59 | 3.26 | 0.00 | 0.16 | 3.00—3.52 |
Standard deviation | 0.81 | -0.02 | 0.08 | 0.69—0.89 | 0.81 | -0.02 | 0.07 | 0.68—0.90 | |
OKS Q05 Baseline | Mean | 2.89 | 0.02 | 0.17 | 2.59—3.27 | 2.89 | 0.00 | 0.16 | 2.63—3.15 |
Standard deviation | 0.85 | -0.03 | 0.09 | 0.71—0.93 | 0.85 | -0.02 | 0.09 | 0.71—0.94 | |
OKS Q05 Follow-up | Mean | 2.78 | 0.03 | 0.16 | 2.44—3.19 | 2.78 | 0.00 | 0.17 | 2.48—3.04 |
Standard deviation | 0.89 | -0.03 | 0.11 | 0.71—1.01 | 0.89 | -0.02 | 0.12 | 0.65—1.05 | |
OKS Q06 Baseline | Mean | 2.78 | 0.02 | 0.24 | 2.33—3.27 | 2.78 | 0.00 | 0.23 | 2.44—3.15 |
Standard deviation | 1.22 | -0.03 | 0.14 | 0.96—1.41 | 1.22 | -0.03 | 0.14 | 0.92—1.42 | |
OKS Q06 Follow-up | Mean | 2.74 | 0.01 | 0.22 | 2.36—3.15 | 2.74 | 0.00 | 0.22 | 2.37—3.11 |
Standard deviation | 1.23 | -0.02 | 0.16 | 0.89—1.50 | 1.23 | -0.02 | 0.16 | 0.88—1.48 | |
OKS Q07 Baseline | Mean | 1.22 | 0.01 | 0.28 | 0.63—1.82 | 1.22 | 0.00 | 0.27 | 0.70—1.76 |
Standard deviation | 1.42 | -0.02 | 0.14 | 1.16—1.64 | 1.42 | -0.03 | 0.15 | 1.16—1.60 | |
OKS Q07 Follow-up | Mean | 1.07 | 0.01 | 0.27 | 0.58—1.64 | 1.07 | 0.00 | 0.28 | 0.63—1.59 |
Standard deviation | 1.44 | -0.02 | 0.15 | 1.11—1.66 | 1.44 | -0.04 | 0.16 | 1.14—1.62 | |
OKS Q08 Baseline | Mean | 2.85 | 0.01 | 0.21 | 2.48—3.24 | 2.85 | 0.00 | 0.21 | 2.52—3.19 |
Standard deviation | 1.10 | -0.03 | 0.13 | 0.86—1.23 | 1.10 | -0.02 | 0.12 | 0.88—1.25 | |
OKS Q08 Follow-up | Mean | 2.74 | 0.03 | 0.22 | 2.33—3.23 | 2.74 | -0.01 | 0.23 | 2.30—3.11 |
Standard deviation | 1.20 | -0.04 | 0.14 | 0.95—1.36 | 1.20 | -0.02 | 0.13 | 0.94—1.39 | |
OKS Q09 Baseline | Mean | 2.52 | 0.02 | 0.19 | 2.19—2.89 | 2.52 | 0.00 | 0.18 | 2.22—2.81 |
Standard deviation | 0.98 | -0.02 | 0.09 | 0.81—1.08 | 0.98 | -0.02 | 0.11 | 0.82—1.09 | |
OKS Q09 Follow-up | Mean | 2.52 | 0.01 | 0.18 | 2.19—2.86 | 2.52 | -0.01 | 0.18 | 2.22—2.78 |
Standard deviation | 0.94 | -0.03 | 0.14 | 0.64—1.12 | 0.94 | -0.03 | 0.14 | 0.68—1.14 | |
OKS Q10 Baseline | Mean | 2.93 | 0.00 | 0.18 | 2.67—3.26 | 2.93 | 0.00 | 0.18 | 2.63—3.22 |
Standard deviation | 0.96 | -0.02 | 0.12 | 0.70—1.13 | 0.96 | -0.02 | 0.12 | 0.71—1.13 | |
OKS Q10 Follow-up | Mean | 3.00 | 0.01 | 0.17 | 2.70—3.30 | 3.00 | 0.01 | 0.17 | 2.70—3.30 |
Standard deviation | 0.88 | -0.03 | 0.13 | 0.64—1.03 | 0.88 | -0.02 | 0.12 | 0.65—1.04 | |
OKS Q11 Baseline | Mean | 2.93 | 0.01 | 0.27 | 2.37—3.43 | 2.93 | -0.01 | 0.23 | 2.52—3.30 |
Standard deviation | 1.21 | -0.04 | 0.21 | 0.86—1.44 | 1.21 | -0.03 | 0.18 | 0.86—1.45 | |
OKS Q11 Follow-up | Mean | 2.85 | 0.01 | 0.22 | 2.48—3.27 | 2.85 | 0.00 | 0.20 | 2.52—3.19 |
Standard deviation | 1.06 | -0.03 | 0.11 | 0.83—1.19 | 1.06 | -0.02 | 0.10 | 0.90—1.17 | |
OKS Q12 Baseline | Mean | 2.85 | 0.01 | 0.19 | 2.44—3.22 | 2.85 | 0.00 | 0.19 | 2.53—3.15 |
Standard deviation | 0.99 | -0.03 | 0.17 | 0.70—1.25 | 0.99 | -0.03 | 0.16 | 0.71—1.22 | |
OKS Q12 Follow-up | Mean | 2.44 | 0.02 | 0.25 | 1.96—3.02 | 2.44 | 0.00 | 0.23 | 2.04—2.85 |
Standard deviation | 1.25 | -0.03 | 0.14 | 1.05—1.40 | 1.25 | -0.04 | 0.15 | 1.00—1.42 | |
OKS Total Baseline | Mean | 27.11 | -0.13 | 1.93 | 23.59—30.23 | 27.11 | 0.02 | 1.82 | 23.33—30.91 |
Standard deviation | 9.64 | -0.17 | 0.94 | 7.98—10.78 | 9.64 | -0.21 | 0.95 | 7.86—10.90 | |
OKS Total Follow-up | Mean | 31.33 | 0.20 | 1.95 | 27.52—35.73 | 31.33 | -0.03 | 1.90 | 27.87—34.59 |
Standard deviation | 9.96 | -0.17 | 0.89 | 8.17—11.31 | 9.96 | -0.21 | 1.01 | 8.05—11.27 |