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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Early initiation of a strength training based rehabilitation after lumbar spine fusion improves core muscle strength: a randomized controlled trial

Fig. 2

Six-minute walking test (6MWT) (group mean). p1—difference between the baseline’s and 3 months’ mean for the training group. p2—difference between the 3 months’ and 18 months’ mean for the control group. p3—difference between the baseline’s and 18 months’ mean for the training group. ANOVA1,2—one-way repeated-measures ANOVA between the baseline’s and 3 months’ mean. Horizontal solid and dashed lines indicate the mean expected walking distance (571 m), with 95% CI (± 90 m) in a normal, age-matched population, respectively [21]

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